Official Paper

RRB ALP CBT-I 2024 Official Paper (Held On: 28 Nov, 2024 Shift 3) (Previous Year Paper)

75 questions · 60 minutes · with answers · free

Attempt as Timed Mock Test

Stage I (CBT I) (75 questions)

1

Read the given statements and conclusions carefully. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and decide which conclusion(s) logically follow(s) from the given statements.

<br>

Statements:

All chairs are tables.

No table is a bed.

<br>

Conclusions:

(I) Some beds are chairs.

(II) No bed is a table.

  1. ((a))

    Only conclusion (II) follows.

  2. ((b))

    Only conclusion (I) follows.

  3. ((c))

    Neither conclusion (I) nor (II) follows.

  4. ((d))

    Both conclusions (I) and (II) follow.

Show Answer
Answer: ((a))

Only conclusion (II) follows.

2

Which tissue is responsible for movement in our body?

  1. ((a))

    Nervous tissue

  2. ((b))

    Muscular tissue

  3. ((c))

    Epithelial tissue

  4. ((d))

    Connective tissue

Show Answer
Answer: ((a))

Nervous tissue

3

The 90th edition of the Ranji Trophy started in October 2024. Which of the following games is the Ranji Trophy related to?

  1. ((a))

    Hockey

  2. ((b))

    Basketball

  3. ((c))

    Badminton

  4. ((d))

    Cricket

Show Answer
Answer: ((a))

Hockey

4

Which of the following options should come in place of the question mark (?) in the given series based on the English alphabetical order?

<br>

GJN, ILP, KNR, MPT, ?

  1. ((a))

    ORV

  2. ((b))

    OVR

  3. ((c))

    RVO

  4. ((d))

    ROV

Show Answer
Answer: ((a))

ORV

5

The magnification produced by a spherical mirror is +0.75. The image is:

  1. ((a))

    Virtual, erect and diminished

  2. ((b))

    Virtual, erect and enlarged

  3. ((c))

    Real, inverted and diminished

  4. ((d))

    Real, inverted and enlarged

Show Answer
Answer: ((a))

Virtual, erect and diminished

6

If each vowel in the word PAINTED is changed to the letter following it in the English alphabetical order and each consonant is changed to the letter preceding it in the English alphabetical order, then which letter will be in the third position from the left in the new group of letters thus formed?

  1. ((a))

    F

  2. ((b))

    J

  3. ((c))

    B

  4. ((d))

    M

Show Answer
Answer: ((a))

F

7

In a certain code language,

'A + B' means 'A is the mother of B',

'A - B' means 'A is the brother of B',

'A x B' means 'A is the wife of B', and

'A ÷ B' means 'A is the father of B'.

How is M related to T if 'M ÷ N x P - S + T'?

  1. ((a))

    Mother's brother's wife's brother

  2. ((b))

    Mother's brother's wife's father

  3. ((c))

    Mother's brother

  4. ((d))

    Mother's father

Show Answer
Answer: ((a))

Mother's brother's wife's brother

8

Select the pair which follows the same pattern as that followed by the two sets of pairs given below. Both pairs follow the same pattern.

GTC: KWE

WFK: AIM

  1. ((a))

    LPA: KMV

  2. ((b))

    DGB: GLI

  3. ((c))

    JQP: MVW

  4. ((d))

    OZG: SCI

Show Answer
Answer: ((a))

LPA: KMV

9

A gardener increases the area of his rectangular garden by increasing its length by 40% and decreasing its breadth by 20%. The area of the new garden is what percentage more than the area of the old garden?

  1. ((a))

    0%

  2. ((b))

    12%

  3. ((c))

    8%

  4. ((d))

    20%

Show Answer
Answer: ((a))

0%

10

Consider a parallel combination of 2 resistors with resistances 4 Ω and 6 Ω. The equivalent resistance of the circuit is:

  1. ((a))

    12Ω

  2. ((b))

    10Ω

  3. ((c))

    4.2Ω

  4. ((d))

    2.4Ω

Show Answer
Answer: ((a))

12Ω

11

All liquids and gases are:

  1. ((a))

    fluids

  2. ((b))

    semiconductors

  3. ((c))

    solids

  4. ((d))

    insulators

Show Answer
Answer: ((a))

fluids

12

What type of reaction takes place when a single reactant breaks down into simpler products?

  1. ((a))

    Decomposition

  2. ((b))

    Double displacement

  3. ((c))

    Displacement

  4. ((d))

    Combination

Show Answer
Answer: ((a))

Decomposition

13

Identify the single cell organism.

  1. ((a))

    Amoeba

  2. ((b))

    Seaweed

  3. ((c))

    Leech

  4. ((d))

    Liver fluke

Show Answer
Answer: ((a))

Amoeba

14

In a certain code language, ‘MOUSE’ is coded as ‘74651’, ‘SPOKE’ is coded as ‘52418’, and ‘PROUD’ is coded as ‘26394’. What is the code for ‘K’ in the given code language?

  1. ((a))

    2

  2. ((b))

    8

  3. ((c))

    5

  4. ((d))

    1

Show Answer
Answer: ((a))

2

15

Which of the following is NOT a characteristic of particles of matter?

  1. ((a))

    Particles of matter are static.

  2. ((b))

    Particles of matter have space between them.

  3. ((c))

    Particles of matter are continuously moving.

  4. ((d))

    Particles of matter attract each other.

Show Answer
Answer: ((a))

Particles of matter are static.

16

Which of the following represents the ratio by mass of hydrogen to oxygen atoms (H:O) in a water molecule?

  1. ((a))

    1:4

  2. ((b))

    3:8

  3. ((c))

    1:8

  4. ((d))

    1:2

Show Answer
Answer: ((a))

1:4

17

In September 2024, which High Court of India struck down the amended Information Technology Rules 2023, which empowered the Centre to set up a fact check unit (FCU) to identify fake, false and misleading information about the government and its establishments on social media?

  1. ((a))

    Delhi High Court

  2. ((b))

    Patna High Court

  3. ((c))

    Bombay High Court

  4. ((d))

    Madras High Court

Show Answer
Answer: ((a))

Delhi High Court

18

Which of the following numbers is divisible by both 7 and 11?

  1. ((a))

    3014

  2. ((b))

    2534

  3. ((c))

    2684

  4. ((d))

    1771

Show Answer
Answer: ((a))

3014

19

Town A is the north of Town B. Town C is to the east of Town B. Town D is to the west of Town C. Town A is to the north-east of Town D. Town M is to the north of Town C. What is the position of Town D with respect to Town M?

  1. ((a))

    South-west

  2. ((b))

    North-east

  3. ((c))

    East

  4. ((d))

    West

Show Answer
Answer: ((a))

South-west

20

Two successive discounts of 10% and 5% are equivalent to a single discount of _____.

  1. ((a))

    15.5%

  2. ((b))

    14%

  3. ((c))

    14.5%

  4. ((d))

    15%

Show Answer
Answer: ((a))

15.5%

21

Study the following table and answer the given question.

The table shows the expenditure of a family over the given years.

YearExpenditure in Rs.
FoodClothingEducationRentOthers
201120001200330020004000
201225001100320023004100

 

What is the total expenditure (in ₹) on food by the family for the year 2011 and 2012?

  1. ((a))

    5,000

  2. ((b))

    5,500

  3. ((c))

    4,500

  4. ((d))

    6,000

Show Answer
Answer: ((a))

5,000

22

If a regular polygon has 65 diagonals, then the number of sides this polygon has is:

  1. ((a))

    12

  2. ((b))

    14

  3. ((c))

    13

  4. ((d))

    10

Show Answer
Answer: ((a))

12

23

Find the volume of a sphere whose diameter is 84 m. [Use π=227\pi = \frac{22}{7}]

  1. ((a))

    323,434 m³

  2. ((b))

    310,464 m³

  3. ((c))

    338,808 m³

  4. ((d))

    313,418 m³

Show Answer
Answer: ((a))

323,434 m³

24

Under the Prime Minister's Internship Scheme launched in October 2024, candidates will receive a monthly stipend of what amount for the full 12-month internship period?

  1. ((a))

    ₹1,500

  2. ((b))

    ₹5,000

  3. ((c))

    ₹6,500

  4. ((d))

    ₹2,000

Show Answer
Answer: ((a))

₹1,500

25

If ₹2,400 is to be distributed between A and B in the ratio of 7 : 5, then the share of B is:

  1. ((a))

    ₹1,300

  2. ((b))

    ₹1,600

  3. ((c))

    ₹1,000

  4. ((d))

    ₹1,900

Show Answer
Answer: ((a))

₹1,300

26

DGEH is related to ILJM in a certain way based on the English alphabetical order. In the same way, GJHK is related to LOMP. To which of the following options is PSQT related, following the same logic?

  1. ((a))

    UXWY

  2. ((b))

    UXVY

  3. ((c))

    UVXZ

  4. ((d))

    VUWY

Show Answer
Answer: ((a))

UXWY

27

Read the given statements and conclusions carefully. You have to take the given statements to be true even if they seem to be at variance from commonly known facts and decide which conclusion(s) logically follow(s) from the given statements.

<br>

Statements:

No dogs are pigs.

All pigs are stones.

<br>

Conclusions:

(I) Some stones are pigs.

(II) No stones are dogs.

  1. ((a))

    Both conclusions (I) and (II) follow

  2. ((b))

    Only conclusion (I) follows

  3. ((c))

    Neither conclusion (I) nor (II) follows

  4. ((d))

    Only conclusion (II) follows

Show Answer
Answer: ((a))

Both conclusions (I) and (II) follow

28

If a sum amounts to 2 14\frac{1}{4}times the sum after 2 years on a certain rate of compound interest, compounded annually, then the rate of interest per annum is:

  1. ((a))

    30%

  2. ((b))

    50%

  3. ((c))

    25%

  4. ((d))

    40%

Show Answer
Answer: ((a))

30%

29

In which Indian state was a 1,300-year-old stupa discovered by the Archaeological Survey of India (ASI) in February 2023?

  1. ((a))

    Odisha

  2. ((b))

    West Bengal

  3. ((c))

    Madhya Pradesh

  4. ((d))

    Bihar

Show Answer
Answer: ((a))

Odisha

30

The Union Cabinet approved the establishment of International Big Cat Alliance (IBCA) with headquarters in India with a one-time budgetary support of ₹150 crore for a period of ______.

  1. ((a))

    3 years

  2. ((b))

    10 years

  3. ((c))

    5 years

  4. ((d))

    7 years

Show Answer
Answer: ((a))

3 years

31

A town had a population of 50,000 in 1988. In one year, by 1989, it increased by 25%. Next year, in 1990, it decreased by 30%. The next year, in 1991, there was an increase of 40%. What is the population at the end of 1991?

  1. ((a))

    62,250

  2. ((b))

    61,250

  3. ((c))

    60,250

  4. ((d))

    66,550

Show Answer
Answer: ((a))

62,250

32

If we add 1 to the numerator and subtract 1 from the denominator of a given fraction, it becomes 1. It becomes 23\frac{2}{3} if 1 is added to the denominator of the given fraction while the numerator is left unchanged. The positive difference of numerator and denominator of the fraction is:

  1. ((a))

    3

  2. ((b))

    2

  3. ((c))

    5

  4. ((d))

    7

Show Answer
Answer: ((a))

3

33

Which of the following actions is responsible for the survival of species over time?

  1. ((a))

    Conservation

  2. ((b))

    Variation

  3. ((c))

    Reproduction

  4. ((d))

    Struggle

Show Answer
Answer: ((a))

Conservation

34

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only.

(Left) 5 3 % 4 6 & 8 S 7 * Ω 9 # 1 2 & @ £ (Right)

<br>

How many such symbols are there, each of which is immediately preceded by a symbol and also immediately followed by a symbol?

  1. ((a))

    Zero

  2. ((b))

    One

  3. ((c))

    More then two

  4. ((d))

    Two

Show Answer
Answer: ((a))

Zero

35

A class of 30 students appeared in a test. The average score of 12 students is 80, and that of the rest is 75. What is the average score of the class?

  1. ((a))

    56

  2. ((b))

    87

  3. ((c))

    67

  4. ((d))

    77

Show Answer
Answer: ((a))

56

36

The sum of all prime numbers between 60 and 90 is:

  1. ((a))

    610

  2. ((b))

    523

  3. ((c))

    373

  4. ((d))

    460

Show Answer
Answer: ((a))

610

37

A dishonest dealer professes to sell his goods at cost price, but uses a false weight and thus gains 25%. For 100 gm, he uses a weight of how many grams?

  1. ((a))

    70gm

  2. ((b))

    85gm

  3. ((c))

    75gm

  4. ((d))

    80gm

Show Answer
Answer: ((a))

70gm

38

In a certain code language, ‘HAIR’ is coded as ‘9715’ and ‘AGED’ is coded as ‘8612’. What is the code for ‘A’ in the given code language?

  1. ((a))

    1

  2. ((b))

    2

  3. ((c))

    8

  4. ((d))

    7

Show Answer
Answer: ((a))

1

39

If A means +, B means −, C means ×, D means ÷, then what will come in place of the question mark (?) in the following equation?

14 B 5 C 5 A 30 D 2 = ?

  1. ((a))

    2

  2. ((b))

    4

  3. ((c))

    1

  4. ((d))

    3

Show Answer
Answer: ((a))

2

40

The value of x² - 5 at x = -1 is:

  1. ((a))

    -2

  2. ((b))

    -5

  3. ((c))

    -1

  4. ((d))

    -4

Show Answer
Answer: ((a))

-2

41

From a point on the ground, the angles of elevation of the top and the bottom of a flag that is mounted on an 18 m high pole, are respectively 60° and 30°. The height of the flag is :

  1. ((a))

    52 m

  2. ((b))

    36 m

  3. ((c))

    60 m

  4. ((d))

    48 m

Show Answer
Answer: ((a))

52 m

42

Which of the following options should come in place of the question mark (?) in the given series?

4 5 9 18 34 ?

  1. ((a))

    59

  2. ((b))

    60

  3. ((c))

    54

  4. ((d))

    52

Show Answer
Answer: ((a))

59

43

Magnetic field lines around a straight current carrying conductor look like:

  1. ((a))

    straight lines

  2. ((b))

    ellipses

  3. ((c))

    hyperbolas

  4. ((d))

    concentric circles

Show Answer
Answer: ((a))

straight lines

44

Regarding carbon, which of the following statements is true?

  1. ((a))

    Carbon is trivalent.

  2. ((b))

    Carbon is tetravalent.

  3. ((c))

    Carbon is bivalent.

  4. ((d))

    Carbon is monovalent.

Show Answer
Answer: ((a))

Carbon is trivalent.

45

Reena runs at a speed of 8 km/h. How long will she take to cover 200 m?

  1. ((a))

    175 seconds

  2. ((b))

    54 seconds

  3. ((c))

    90 seconds

  4. ((d))

    120 seconds

Show Answer
Answer: ((a))

175 seconds

46

When white light falls on a glass prism, it splits into seven colours. The phenomena is known as:

  1. ((a))

    Diffraction

  2. ((b))

    Dispersion

  3. ((c))

    Deviation

  4. ((d))

    Refraction

Show Answer
Answer: ((a))

Diffraction

47

In the following number pairs, the second number is obtained by applying certain mathematical operations to the first number. Which numbers should replace X and Y so that the pattern followed by the two numbers on the left side of :: is the same as that on the right side of ::?

<br>

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

<br>

X : 198 :: 8 : Y

  1. ((a))

    X = 7, Y = 538

  2. ((b))

    X = 4, Y = 512

  3. ((c))

    X = 5, Y = 546

  4. ((d))

    X = 6, Y = 488

Show Answer
Answer: ((a))

X = 7, Y = 538

48

A group of people consists of men, women, and children. 40% of them are men, 35% are women and rest are children, and their average weights are 70 kg, 60 kg and 30 kg, respectively. The average weight of the group is:

  1. ((a))

    45.5 kg

  2. ((b))

    46.5 kg

  3. ((c))

    55.5 kg

  4. ((d))

    56.5 kg

Show Answer
Answer: ((a))

45.5 kg

49

Aarav can do a piece of work alone in 6 days and Babita can do it alone in 8 days. Aarav and Babita undertook to do it for ₹2,400. With the help of Chaitanya, they completed the work in 3 days. How much is to be paid to Babita?

  1. ((a))

    ₹1,200

  2. ((b))

    ₹900

  3. ((c))

    ₹800

  4. ((d))

    ₹1,400

Show Answer
Answer: ((a))

₹1,200

50

What is the use of high-performance computing systems 'Arka' and 'Arunika'?

  1. ((a))

    Weather forecasting

  2. ((b))

    Detecting the location of drugs

  3. ((c))

    Cyber crime detection

  4. ((d))

    Monitoring unwanted elements on social media

Show Answer
Answer: ((a))

Weather forecasting

51

Who among the following is the author of the book 'Neeraj Chopra: The Man Who Made History'?

  1. ((a))

    Shamya Dasgupta

  2. ((b))

    Norris Pritam

  3. ((c))

    Navdeep Singh Gill

  4. ((d))

    Samir Chopra

Show Answer
Answer: ((a))

Shamya Dasgupta

52

In the following number pairs, the second number is obtained by applying certain mathematical operations to the first number. Which numbers should replace X and Y so that the pattern followed by the two numbers on the left side of :: is the same as that on the right side of ::?

<br>

(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 - Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)

<br>

X : 140.4 :: 38 : Y

  1. ((a))

    X = 34, Y = 225.8

  2. ((b))

    X = 23, Y = 240.6

  3. ((c))

    X = 21, Y = 218.4

  4. ((d))

    X = 26, Y = 205.2

Show Answer
Answer: ((a))

X = 34, Y = 225.8

53

If ‘A’ stands for ‘÷ ’, ‘B’ stands for ‘×’, ‘C’ stands for ‘+’, and ‘D’ stands for ‘−’, what will come in place of the question mark ‘?’ in the following equation?

144 C 44 D 12 A 12 B 144 = ?

  1. ((a))

    54

  2. ((b))

    44

  3. ((c))

    34

  4. ((d))

    43

Show Answer
Answer: ((a))

54

54

Seven boxes, P, Q, R, S, X, Y and Z, are kept one over the other but not necessarily in the same order. Only P is kept above X. Only two boxes are kept between X and S. Only R is kept below Z. Y is not kept immediately above S. Which box is kept fourth from the top?

  1. ((a))

    Q

  2. ((b))

    X

  3. ((c))

    Z

  4. ((d))

    R

Show Answer
Answer: ((a))

Q

55

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which pair does not belong to that group?

<br>

(Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)

  1. ((a))

    YQ - CU

  2. ((b))

    AS - EW

  3. ((c))

    DV - HZ

  4. ((d))

    UM - ZN

Show Answer
Answer: ((a))

YQ - CU

56

The square of the length of a space diagonal of a closed cube is 2175 cm2. What is the total surface area (in cm2) of the cube?

  1. ((a))

    4305

  2. ((b))

    4350

  3. ((c))

    4530

  4. ((d))

    4272

Show Answer
Answer: ((a))

4305

57

Milk is a mixture of

  1. ((a))

    only protein

  2. ((b))

    only fat

  3. ((c))

    only water 

  4. ((d))

    water, fat, protein, etc

Show Answer
Answer: ((a))

only protein

58

Where does India rank on the Corruption Perceptions Index as of October 2024?

  1. ((a))

    89

  2. ((b))

    93

  3. ((c))

    96

  4. ((d))

    86

Show Answer
Answer: ((a))

89

59

The concept of 'Prodyogiki' in the Yuva Sangam programme (2023) primarily focuses on which of the following?

  1. ((a))

    Economic development

  2. ((b))

    Technology

  3. ((c))

    Cultural preservation

  4. ((d))

    Political awareness

Show Answer
Answer: ((a))

Economic development

60

Select the correct sentence(s).

a. The release of energy in the aerobic process is a lot greater than in the anaerobic process.

b. ATP is broken down giving rise to a fixed amount of energy which can drive the endothermic reactions taking place in the cell.

c. The pyruvate is converted into lactic acid which is also a three-carbon molecule.

  1. ((a))

    Only a

  2. ((b))

    Only a and b

  3. ((c))

    a, b and c

  4. ((d))

    Only b and c 

Show Answer
Answer: ((a))

Only a

61

If each vowel in the word PLANTED is changed to the letter following it in the English alphabetical order and each consonant is changed to the letter preceding it in the English alphabetical order, then which letter will be in the third position from the left in the new group of letters thus formed?

  1. ((a))

    B

  2. ((b))

    F

  3. ((c))

    C

  4. ((d))

    K

Show Answer
Answer: ((a))

B

62

Name the scientist who first discovered the cell in 1665.

  1. ((a))

    Matthias Jakob Schleiden

  2. ((b))

    Theodor Schwann

  3. ((c))

    Antonie van Leeuwenhoek

  4. ((d))

    Robert Hooke

Show Answer
Answer: ((a))

Matthias Jakob Schleiden

63

In 2024, Air Marshal Tejinder Singh was appointed as the _______ at the Air Headquarters (Vayu Bhawan).

  1. ((a))

    Chief of Defence Staff

  2. ((b))

    Chief of the Air Staff

  3. ((c))

    Air Officer Commanding-in-Chief

  4. ((d))

    Deputy Chief of the Air Staff

Show Answer
Answer: ((a))

Chief of Defence Staff

64

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which pair does not belong to that group?

<br>

(Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)

  1. ((a))

    AT - EX

  2. ((b))

    SL - WP

  3. ((c))

    KD - OF

  4. ((d))

    NG - RK

Show Answer
Answer: ((a))

AT - EX

65

Seven people, A, B, C, D, E, F and G are sitting in a row, facing north. Only five people sit between A and F. G sits third to the left of F. E is the immediate neighbour of B and F. C is not the immediate neighbour of G.

<br>

How many people sit between C and E?

  1. ((a))

    One 

  2. ((b))

    Two 

  3. ((c))

    Three

  4. ((d))

    Four

Show Answer
Answer: ((a))

One 

66

What determines the chemical properties of a carbon compound?

  1. ((a))

    Functional group

  2. ((b))

    Molecular mass

  3. ((c))

    Number of Hydrogen atoms

  4. ((d))

    Length of the carbon chain

Show Answer
Answer: ((a))

Functional group

67

In this question, a statement is followed by two courses of action, numbered I and II. You must assume everything in the statement to be true and on the basis of the information given in the statement, decide which of the courses of action logically follow(s) for pursuing.

Statement:

Mr. X, a teacher of a high school, often beats his students.

Courses of Action:

I. Students should complain about this matter to the principal of the school.

II. Students should quit the school and take admission in another school.

  1. ((a))

    Both I and II follow.

  2. ((b))

    Only II follows.

  3. ((c))

    Neither I nor II follows.

  4. ((d))

    Only I follows.

Show Answer
Answer: ((a))

Both I and II follow.

68

What happens when pea plants showing two different characteristics (the tall/short trait and the round seed/wrinkled seed trait), rather than just one are bred with each other?

  1. ((a))

    The tall/short trait and the round seed/wrinkled seed trait are independently inherited.

  2. ((b))

    They are all tall and have round seeds in F2 generation.

  3. ((c))

    Some F1 progeny are tall plants with round seeds, and some are short plants with wrinkled seeds.

  4. ((d))

    The tall/short trait and the round seed/wrinkled seed trait are dependently inherited.

Show Answer
Answer: ((a))

The tall/short trait and the round seed/wrinkled seed trait are independently inherited.

69

Which of the following statements is INCORRECT?

  1. ((a))

    Tooth decay starts when the pH of the mouth is lower than 5.5.

  2. ((b))

    When pH of rain water is less than 5.6, it is called acid rain.

  3. ((c))

    Living organisms can survive only in a narrow range of pH change.

  4. ((d))

    When pH of rain water is more than 5.6, it is called acid rain.

Show Answer
Answer: ((a))

Tooth decay starts when the pH of the mouth is lower than 5.5.

70

Six people, A, B, C, D, E and F are sitting in a straight line, facing north.

Only three people sit to the left of E. B sits second to the right of E. Only three people sit between A and C. C sits immediately left of D.

How many people sit between D and F?

  1. ((a))

    Two 

  2. ((b))

    One 

  3. ((c))

    None 

  4. ((d))

    Three

Show Answer
Answer: ((a))

Two 

71

The sum of five consecutive numbers is 260. The sum of the first and the last numbers is:

  1. ((a))

    96

  2. ((b))

    126

  3. ((c))

    116

  4. ((d))

    104

Show Answer
Answer: ((a))

96

72

The value of 0.0016×80000003\sqrt{0.0016} \times \sqrt[3]{8000000} is:

  1. ((a))

    8

  2. ((b))

    16

  3. ((c))

    0.8

  4. ((d))

    1.6

Show Answer
Answer: ((a))

8

73

Which of the following options should come in place of the question mark (?) in the given series based on the English alphabetical order?

<br>

BFW, DIS, FLO, HOK, ?

  1. ((a))

    JSG

  2. ((b))

    KQE

  3. ((c))

    KRF

  4. ((d))

    JRG

Show Answer
Answer: ((a))

JSG

74

When a motorcar makes a sharp turn at a high speed, we tend to get thrown to one side. This example is based on which law of motion?

  1. ((a))

    Conservation of momentum

  2. ((b))

    Second law of motion

  3. ((c))

    Third law of motion

  4. ((d))

    First law of motion

Show Answer
Answer: ((a))

Conservation of momentum

75

When the force and the displacement are in the same direction, then work done will be:

  1. ((a))

    zero

  2. ((b))

    positive

  3. ((c))

    either positive or negative

  4. ((d))

    negative 

Show Answer
Answer: ((a))

zero

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