Find the ODD one out from the given options.
- ((a))
K
- ((b))
X
- ((c))
R
- ((d))
N
Show Answer
K
100 questions · 90 minutes · with answers · free
Find the ODD one out from the given options.
K
X
R
N
K
Instead of dividing Rs. 117 among P, Q and R in the ratio 1/2 : 1/3 : 1/4, it was wrongly divided in the ratio 2 : 3 : 4. Who gains the most in this distribution and how much do they gain?
P, Rs. 28
Q, Rs. 35
R, Rs. 27
R, Rs. 25
P, Rs. 28
Find the HCF of (a3 + b3), (a + b)2 and (a2 - b2).
(a + b) (a - b)
(a + b)
(a - b)
(a3 + b3) (a2 - b2)
(a + b) (a - b)
Rs. 800 become Rs. 956 in 3 years at a certain rate of Simple Interest. What is the rate?
6.5%
8%
7.5%
8.2%
6.5%
In which dance form do performers wear a cylindrical skirt named 'Potloi'?
Manipuri
Kuchipudi
Kathak
Bharatanatyam
Manipuri
A substance that donates a pair of electrons to form coordinate covalent bond is called -
Lewis-base
Bronsted-Lowry acid
Lewis-acid
Bronsted-Lowry base
Lewis-base
If a + b + c = 0 then find value of (b + c)2/bc + (c + a)2/ca + (a + b)2/ab.
8abc
a2 + b2 + c2
2(a + b + c)2
3
8abc
What is a 'Test tube Baby?'
Fertilisation takes place in uterus and embryo develops in uterus
Fertilisation of ovum takes place in the test tube, but it develops in uterus
Fertilisation of the ovum takes place in uterus, but develops in the test tube
Fertilisation of ovum takes place in the test tube and develops in the test tube itself
Fertilisation takes place in uterus and embryo develops in uterus
Simplify :
sin A cos A
2 sin A cos A
sin A - cos A
(sin A + cos A)2
sin A cos A
Choose from the alternatives the figure that best completes the pattern given below.






Simplify: [2 × (3/2) - 3 × (2/3)] × [2/5 of 3/5 of 100]
25
0
24
12
25
Which of the following forces acts on an object perpendicular to the surface?
Magnetic force
Thrust
Mechanical force
Spring force
Magnetic force
Itanagar is the capital of -
Arunachal Pradesh
Manipur
Haryana
Assam
Arunachal Pradesh
The area of a rectangle is 9/20 times the area of a square. If the length and breadth of the rectangle are in the ratio 5 : 4, then find the ratio of perimeters of rectangle and square.
27 : 40
25 : 45
27 : 20
25 : 48
27 : 40
A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. Find the percentage of decrease in its area.
28%
10%
10.08%
20%
28%
Two boats P and Q run between two cities A and B on a stream with flow of 5 km/h. The cities are 300 km apart and P and Q have still water speeds of 25 km/h and 15 km/h respectively. P and Q start from cities A and B towards B and A respectively at the same time. When and where will they meet for the second time? (Assume Steam is flowing from City A to City B).
After 20 hours at 200 km from B
After 12 hours at 100 km from B
After 10 hours at 100 km from B
After 20 hours at 100 km from B
After 20 hours at 200 km from B
Complete the series.
A, D, H, M, S, (___)
U
Y
V
Z
U
Which of the following will best complete the relationship given below?
RAT : SDY :: BAD : ?
DCI
CDI
BFL
LFB
DCI
If 'A' means '+', 'B' means '-', 'C' means '×' and 'D' means '÷', then find the value of (1 D 1 C 1) A (2 C 2 D 2) A (3 D 3 C 3) B (4 C 4 D 4).
3
2
6
10
3
Choose the figure that best represents the relationship among the classes given below.
Ring, Ornaments, Necklace, Diamond ring





Ganesh took a loan of Rs. 14000 to be paid after three years with Compound Interest at 10% per annum. How much total amount should he pay at the end of three years?
Rs. 17940
Rs. 18497
Rs. 16200
Rs. 18634
Rs. 17940
Which device converts sunlight into electricity?
Chemical cell
Dry cell
Battery
Solar cell
Chemical cell
What placed between moving parts of a machine can reduce friction?
Resins
Air cushion
Abrasives
Rough material
Resins
If a and b are coprime, then a2 and b2 are -
Coprime
Both even
Need not be coprime
Both odd
Coprime
What is the area of the jogging track which is 2 m wide that runs along the perimeter of a rectangle 20 m × 18 m inside it?
136 m2
168 m2
200 m2
140 m2
136 m2
How many squares are there in the given figure?

27
25
19
18
27
Which is the most famous constellation, which appears in the early summer nights, which has a bear shape?
Leo
Ursa Major
Orion
Scorpio
Leo
What is the pH of concentrated sodium hydroxide solution?
14
10
4
7
14
The little Rangeet river flows by which hill station of India?
Shimla
Darjeeling
Nainital
Ranikhet
Shimla
Find the missing group of alphabets in the following series.
MB, PE, UJ, (___), KZ
KS
BQ
RC
PA
KS
The sum of the absolute values of deviations is least when taken from the _____.
Mode
Geometric mean
Median
Arithmetic mean
Mode
Choose the alternative that best replaces the question mark(?) in the given figure.
| 1 | 4 | ? |
|---|---|---|
| 3 | 3 | 4 |
| 3 | 1 | 2 |
| 49 | 64 | 169 |
7
10
8
4
7
Goods worth Rs. 6500 with a rebate of 5% were purchased. Then sales tax at 4% was included in the bill. What is the amount of the bill?
Rs. 6600
Rs. 6576
Rs. 6522
Rs. 6422
Rs. 6600
The process of marking genes in a DNA sequence is called -
Annotation
Proteomics
Sequence assembly
Gene expression
Annotation
Which of the following substances has infinitely high resistance?
Resistors
Conductors
Insulators
Super conductors
Resistors
If 'tir sil fit' stands for 'nice big home'; 'kon hit sil' stands for 'home is good' and 'bdf zkr kon' stands for 'cost is low', which word would represent 'good'?
sil
zkr
kon
hit
sil
In a certain code, 'MAN' is written as 'SANM', and 'WORD' is written as 'SORDW'. How would 'SALE' be written in that code?
LESAS
LEASS
SALES
SEALS
LESAS
Which of the following can be measured with the help of SONAR?
Sound created by animals in forest
Distance of aircrafts
Sound pitch of aircrafts
Distance, direction and speed of under water objects.
Sound created by animals in forest
Find the ODD one out from the given options.





Which of the following countries will host the Rugby World Cup 2019?
Indonesia
Canada
China
Japan
Indonesia
The electronic configuration of chlorine is -
2, 7
2, 8, 7
2, 8, 8, 7
2, 7, 8
2, 7
Which of the following technology won the Platinum under Emerging Technology category of Digital India Awards 2018?
Rajkot Eyeway Project
Blockchain Implementation in Land Records, Andhra Pradesh
Ajmer Smart City Project
Crop Area Estimation and Loss Assessment for the State of Gujarat
Rajkot Eyeway Project
Which Indian state has the largest number of seats reserved for the Scheduled Tribes in the Lok Sabha?
Madhya Pradesh
Andhra Pradesh
Rajasthan
Gujarat
Madhya Pradesh
When prices rise between 20% to 100% per annum or even more, it is termed as -
Running inflation
Trotting inflation
Hyperinflation
Creeping inflation
Running inflation
A house worth Rs. 150000 is sold by X to Y at 5% profit. If Y sells the house back to X at 2% loss, then in the entire transaction:
X loses Rs. 4350
X gains Rs. 3150
X loses Rs. 1350
X gains Rs. 4350
X loses Rs. 4350
Ages of A and B differ by 6 and are in the ratio 3 : 5. What is the sum of their ages ?
16
24
32
40
16
The reaction in which two compound exchange their ions to form two new compounds is called -
Double displacement reaction
Displacement reaction
Redox reaction
Combination reaction
Double displacement reaction
The atomic radius of potassium is ____ that of sodium.
Half
Equal to
Lesser than
Greater than
Half
Which of the following is NOT a part of the digestive system?
Stomach
Heart
Liver
Mouth
Stomach
When did Bhopal gas tragedy take place?
1983
1980
1984
1981
1983
Two pipes can fill a tank in 30 minutes and 60 minutes respectively. Another pipe at the bottom will empty it in 120 minutes. If all the pipes are open, in what time will the tank get filled?
24 minutes
40 minutes
50 minutes
52 minutes
24 minutes
Find the value of
2
1/2
0
1
2
Mark the INCORRECT statement(s).
(i) In a proper fraction, numerator < denominator.
(ii) Mixed numbers can be written as proper fractions.
(iii) Improper fractions can be rewritten as mixed numbers.
(iv) Like fractions have the same numerator.
Statement (iv) only
Statements (ii) and (iv) only
Statement (ii) only
Statement (iii) only
Statement (iv) only
Which of the following metallic elements is denser than water?
Potassium
Sodium
Calcium
Lithium
Potassium
If the object is placed between infinity and optical centre O of the concave lens, how will the image be formed after refraction?
Real and inverted
Virtual and erect
Real and enlarged
Real and same size
Real and inverted
A boy was asked to write the value of (2)5 × (8)2. He wrote it as 2582. Find the difference between the obtained and the actual value.
189
0
534
37
189
Separating funnel is used to separate a mixture of -
Miscible liquids
Salt and camphor
Dye in a black ink
Immiscible liquids
Miscible liquids
If 'MISTAKE' is coded as 9765412 and 'NAKED' is coded as 84123, how is 'STAIN' coded?
89483
65478
68194
98175
89483
Who won the first Twenty20 Cricket World Cup?
India
West Indies
Pakistan
England
India
Find the ODD one out from the given options.
1331
729
2197
441
1331
Echocardiograph makes use of -
Bioelectricity
Radiation
Ultrasound
X-ray
Bioelectricity
Which creature usually makes a web to trap its victims?
Cockroach
Caterpillar
Spider
Silkworm
Cockroach
Find the value of 12 + 22 + 32 + ____ + 102.
265
285
385
305
265
What is the name of a female reproductive cell?
Sperm
Ovary
Egg
Ovule
Sperm
Two girls travel in opposite directions, the former from 'A' at a speed of 25 km/h and takes 20 hours to reach her destination 'B'. The latter from 'B' takes 25 hours to reach her destination 'A' meeting the former on her way. What is the latter's speed?
25 km/h
20 km/h
15 km/h
18 km/h
25 km/h
Simplify :
1
3
2
4
1
The electronic configuration of sodium is -
2, 8
2, 8, 1
2, 7, 8
2, 8, 7
2, 8
An electric heater is rated at 2 kW. Electrical energy costs Rs. 4 per kWh. What is the cost of using the heater for 3 hours?
Rs. 48
Rs. 24
Rs. 12
Rs. 36
Rs. 48
If many bulbs are connected in series in a circuit, and if one bulb blows off, what happens to the other bulbs?
A few bulbs burst
Some bulbs glow and some do not glow
All the other bulbs stop glowing
All the other bulbs glow
A few bulbs burst
Starting from a point S, Mahesh walked 25 m towards south. He turned to his left and walked 50 m. He again turned to his left and walked 25 m. He again turned to his left and walked 60 m and reached a point T. How far and in which direction is Mahesh from Point S?
25 m, north
10 m, east
10 m, west
25 m, west
25 m, north
Budget of a state under President's rule is presented to -
President of India
Rajya Sabha
Lok Sabha
Prime Minister of India
President of India
Which of the following glands controls the rate of energy release inside the body?
Thyroid
Parathyroid
Pineal
Pancreas
Thyroid
Excessive amount of nitrogen and phosphorous in lakes is called as -
Endotrophic
Eutrophic
Mesotrophic
Oligotrophic
Endotrophic
A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken for the tank to get filled?
4 hours 30 minutes
2 hours 20 minutes
3 hours 45 minutes
3 hours 25 minutes
4 hours 30 minutes
The law of definite proportions was given by -
Antoine Lavoisier
Jöns Jacob Berzelius
Joseph L. Proust
John Dalton
Antoine Lavoisier
If 4 years are subtracted from the age of a person and divided by 5, the result gives his grandson's age. The grandson now has a sister aged 5, six years younger to him. How old is the grandfather?
60
59
58
57
60
Given 2x2 + 19x + 45 = 0 and 2y2 + 11y + 12 = 0, then which of the following regarding the roots x, y is TRUE?
x ≤ y
x ≥ y
x > y
x < y
x ≤ y
A man sold two cycles at Rs. 1125 each. By selling one cycle, he gained 11% and by selling the other cycle, he lost 11%. Find his gain or loss.
Loss 1.2%
Gained 1%
Neither profit nor loss
Loss 2%
Loss 1.2%
In this question, two statements are given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.
Statements:
'P' is the brother of 'Q'.
'R' is the brother of 'P'.
Conclusions:
I. 'Q' is a girl.
II. 'Q' is a boy.
Either conclusion I or II follows
Only conclusion II follows
Only conclusion I follows
Both conclusions I and II follow
Either conclusion I or II follows
Abu's watch is showing time as 4:50, where minute hand points north west. Which side will hour hand point?
South west
South
East
South east
South west
Complete the series.
684, 114, 57, 9.5, (___)
4.95
4.75
5.82
5.18
4.95
Which number will best complete the relationship given below?
3 : 29 :: 6 : ?
247
251
218
229
247
If '+' and '×' are interchanged and also the numbers 5 and 9 change places, which of the following options is correct?
2 × 9 + 3 × 5 = 21
5 × 9 + 3 × 3 = 0
9 × 5 + 2 × 2 = 25
3 + 9 × 3 + 5 = 32
2 × 9 + 3 × 5 = 21
Simplify :
-20/19
20/19
-16/19
8/19
-20/19
Find the ODD one out from the given options.





Where was 21st Central Zone Council meeting held ?
Dehradun
Lucknow
Imphal
New Delhi
Dehradun
If A, B are two natural numbers >1 and their H.C.F is 1, then which of these statements is always TRUE?
A, B are even consecutive numbers
A, B are coprime to each other
Product AB is a prime number
A, B are both prime numbers
A, B are even consecutive numbers
Read the following information carefully and answer the question given below.
Seven persons - A, B, C, D, E, F and G are sitting along a circle facing the centre. A is between G and D. C is second to the right of D and is between B and F. B is not the neighbour of E.
Who among the following sits fourth to the right of A?
C
E
G
F
C
From which of the following countries has Nepal launched its first satellite NepaliSat-1 into space in April 2019?
USA
China
Russia
India
USA
The Asian Games were held in Delhi for the first time in -
1963
1982
1951
1971
1963
Who is the founder of the Mughal Empire?
Akbar
Babur
Ibrahim Lodi
Sher Shah Suri
Akbar
Read the following information carefully and answer the question given below.
Eight Ministers - A, B, C, D, E, F, G and H are sitting around a circular table facing the center but not necessarily in the same order. Each one of them holds a different post-Chief Minister, Home Minister, Prime Minister, Tourism Minister, Transport Minister, Defence Minister, Health Minister and Education Minister.
A sits third to the right of the Education Minister, and only two people sit between the Education Minister and H. The Transport Minister and the Home Minister are immediate neighbours. Neither A nor H is a Transport Minister or a Home Minister. The Transport Minister is not an immediate neighbour of the Education Minister. The Chief Minister sits second to the left of E. E is not an immediate neighbour of H. The Chief Minister is an immediate neighbour of both the Defence Minister and the Health Minister. The Health Minister sits third to the right of B. B is not the Transport Minister. C sits to the immediate right of the Prime Minister. A is not the Prime Minister. F is not an immediate neighbour of A. G is not an immediate neighbour of the Chief Minister.
Who among the following is the Education Minister?
G
A
C
B
G
The 14 elements after actinium are called -
s block elements
p block elements
Actinides
Lanthanides
s block elements
If the speed of sound in air is 344 m/s at 22°C, and the minimum time interval between sound and echo is 0.1 s for a distinct echo, what is the distance the sound should travel from source to reflecting surface and then back to ear?
12.8 m
34.4 m
18.6 m
17.2 m
12.8 m
Cinnabar is an ore of -
Copper
Mercury
Gold
Silver
Copper
P completes 80% of a certain work in 20 days. Then with the help of Q, he is able to finish it in 3 more days. How many days will Q take to finish the work, if he works alone?
35
36.5
37.5
40
35
In this question, two statements are given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.
Statements:
Some cups are books.
Some books are shirts.
Conclusions:
I. Some cups are shirts.
II. All shirts are books.
Only conclusion II follows
Only conclusion I follows
Neither conclusion I nor II follows
Both conclusions I and II follow
Only conclusion II follows
A man facing north turns 135 degrees in the anti-clockwise direction and then 180 degrees in the clockwise direction. Which direction is he facing now?
South east
North east
West
North west
South east
Who is considered as the first botanist?
Plini
Archimedes
Plato
Theophrastus
Plini
Myosin and actin are -
Muscle protein
Muscle fat
Muscle enzymes
Muscle carbohydrate
Muscle protein
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