Official Paper

RRB Officer Scale-I 12 Sep 2020 Prelims Memory Based Paper Shift 2 (Previous Year Paper)

80 questions · 45 minutes · with answers · free

Reasoning (40 questions)

Direction: Read the following given information carefully and answer the questions.

Eight people A, B, C, D, E, F, G, and H were born on the same date but in different years viz. 1972, 1980, 1958, 1960,1968, 1988,1999, and 1962. (Calculating all ages with respect to the year 2019)

G was born eight years after B. A was born in an even number of years. Only one person was born in the odd number year whose age is multiple of 2. H is the youngest among all. C is not younger than A. The difference between the age of B and the person who was born in the year 1958 is 2 years. B is not older to the F whose age is 61. The age difference between D and E is 10 years. D is 10 years older than the one who is four years younger than G.

Who is oldest among all?

((a))
C
((b))
D
((c))
F
((d))
B
((e))
None of the above

Show Answer

Answer: ((a))

How many persons were born between H and F?

((a))
4
((b))
6
((c))
2
((d))
5
((e))
None

Show Answer

Answer: ((a))

What is the sum of age of persons born between the age of 35 and 60?

((a))
304
((b))
320
((c))
253
((d))
299
((e))
None of these

Show Answer

Answer: ((a))

304

B is how many years older than C?

((a))
18
((b))
25
((c))
20
((d))
15
((e))
None

Show Answer

Answer: ((a))

Whose current age is same as D's age 10 years ago?

((a))
E
((b))
C
((c))
A
((d))
H
((e))
None

Show Answer

Answer: ((a))

Directions: Pranav and Pranjal starts from the same point. Pranav moves 10 m towards North then takes a right and moves 5 m ahead and finally halt after moving 2 m towards his right . Pranjal walked towards West for 10 m, then he takes a left and moves for next 10 m, then he again turns to his left and moves for 15 m and finally stops after moving 5 m towards his left.

If Pranav cannot see Pranjal shadow then what might be the time, and what is the distance between both of them?

((a))
10 am, 13 m
((b))
3 pm, 15 m
((c))
9 am, 15 m
((d))
12 pm, 13 m
((e))
9 am, 13 m

Show Answer

Answer: ((a))

10 am, 13 m

If Pranav’s shadow is to the right of Pranjal then what might be the time?

((a))
12 am
((b))
3 pm
((c))
9 am
((d))
12 pm
((e))
Cannot be determined

Show Answer

Answer: ((a))

12 am

Directions: Study the following information carefully and answer the given questions:

In a certain code language,

‘he who knows Sam’ is written as ‘ma co he mx’.

‘Sam is a bad doctor’ is written as ‘mx mh la sa ox’.

‘Ravi knows Sam’ is written as ‘mx he kl’.

‘who is doctor under Ravi’ is written as ‘kl mh co ze ox’.

What is the code for ‘he’ in the given code language?

((a))
ma
((b))
he
((c))
co
((d))
mx
((e))
mh

Show Answer

Answer: ((a))

What does the code ‘co’ stand for?

((a))
who
((b))
knows
((c))
he
((d))
Sam
((e))
Either a) or c)

Show Answer

Answer: ((a))

who

In the given code language, which of the following means ‘a bad doctor’?

((a))
la sa mh
((b))
sa la ox
((c))
os sa mh
((d))
Either 1) or 2)
((e))
mx mh la

Show Answer

Answer: ((a))

la sa mh

What is the code for ‘doctor’?

((a))
kl
((b))
ox
((c))
mh
((d))
ze
((e))
Either 2) or 3)

Show Answer

Answer: ((a))

Directions: Study the following information carefully and answer the given questions.

There are seven persons A, B, C, D, E, F and G. Each of them has different heights. B is taller than A and E but not the tallest. F is taller than only G. Equal number of persons are shorter and taller than C.

Who among the following is the tallest?

((a))
A
((b))
E
((c))
F
((d))
D
((e))
None of the above

Show Answer

Answer: ((a))

Direction: Read the following information carefully and answer the questions that are given below.

There are eight persons namely A, B, C, D, E, F, G and H sitting around a square table. Four persons are sitting on the corner of the square table and are facing inside, and four persons are sitting on the edge of the square table and are facing outside. No two consecutive alphabets are sitting next to each other, for example A is not sitting next to B, B is not sitting next to A and C and so on.

B and D are sitting opposite to each other. H sits third to the left of C. A sits on one of the corners. B does not sit on the edge of the square table. A and H are to the immediate right of each other. H is not near to B. E and G are sitting opposite to each other.

Who is sitting second to the left of G?

((a))
B
((b))
F
((c))
A
((d))
H
((e))
C

Show Answer

Answer: ((a))

How many persons are sitting between D and F when counted from the left of D?

((a))
Three
((b))
Two
((c))
Four
((d))
Five
((e))
One

Show Answer

Answer: ((a))

Three

Who is sitting immediately to the right of B?

((a))
C
((b))
F
((c))
A
((d))
E
((e))
H

Show Answer

Answer: ((a))

Who is sitting opposite to H?

((a))
F
((b))
A
((c))
G
((d))
C
((e))
E

Show Answer

Answer: ((a))

How many persons are sitting between F and A when counted from the left of F?

((a))
Five
((b))
One
((c))
Four
((d))
Three
((e))
Two

Show Answer

Answer: ((a))

Five

Direction: In the question below are given two statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statement:

Only a few Pens are Boats.

All Boats are Ships.

Conclusion:

I. A few Pens are Ships.

II. All Ships being Pens is a possibility.

((a))
Only I follows
((b))
Only II follows
((c))
Either I or II follows
((d))
Neither I nor II follows
((e))
Both I and II follow

Show Answer

Answer: ((a))

Only I follows

Statement:

Only a few Photos are Paints.

Some Paints are Colours.

Conclusion:

I. All Colours can be Paints.

II. Some Photos are not Colours.

((a))
Only I follows
((b))
Only II follows
((c))
Either I or II follows
((d))
Neither I nor II follows
((e))
Both I and II follow

Show Answer

Answer: ((a))

Only I follows

Directions: In the question below there are three statements followed by three conclusions I, II and III. You have to take the three given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:

I. Some owls are peacock.

II. Some peacocks are hawks.

III. No hawks are squirrels.

Conclusions:

I. No owls are hawks.

II. Some peacocks are not squirrels.

III. Some owls are squirrels.

((a))
Only conclusion II follows.
((b))
Either conclusion I or II follows
((c))
Only conclusion III follows.
((d))
Both conclusion II and conclusion III follow
((e))
None of the above

Show Answer

Answer: ((a))

Only conclusion II follows.

Directions: In the question below are given two statements followed by two conclusions I, II. You have to take the given statements to be true even if they seem to be at variance from commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts.

Statements:

No bulb is a tubelight.

No fan is a bulb.

Conclusions:

I. Some bulb is a fan.

II. No tubelight is a fan.

((a))
Only I follows
((b))
Only II follows
((c))
None follows
((d))
Both I and II follow
((e))
Either I or II follows

Show Answer

Answer: ((a))

Only I follows

Statements:

All reds are black.

No white is red.

Conclusions:

I. Some white is black.

II. All black are red.

((a))
Only II follows
((b))
Only I follows
((c))
Either I or II follows
((d))
Neither I or II follows
((e))
Both I and II follow

Show Answer

Answer: ((a))

Only II follows

Direction: Read the following information carefully and answer the questions that are given below.

There are seven persons namely M, N, O, P, Q, R, and S. They all are sitting in a row facing north. They all belong to seven different cities namely, Delhi, Mumbai, Chennai, Kolkata, Bangalore, Pune and Hyderabad.

The one who belongs to Bangalore sits in the middle of the row. The one who belongs to Delhi sits second from one of the ends of the row. The one who belongs to Mumbai sits third to the right of M. Equal number of persons sit to the left and right of N. M belongs to Delhi. P sits on the right end of the row and belongs to Pune. Three persons are sitting between P and Q. R belongs to Hyderabad and sits two places away to the left of Q. The one who belongs to Chennai sits exactly in between the one who belongs to Mumbai and R. S does not sit next to P.

Who is sitting second to the right of N?

((a))
P
((b))
S
((c))
O
((d))
M
((e))
R

Show Answer

Answer: ((a))

How many persons are sitting between O and M?

((a))
Five
((b))
Four
((c))
Two
((d))
Three
((e))
One

Show Answer

Answer: ((a))

Five

Who belongs to Chennai?

((a))
M
((b))
Q
((c))
S
((d))
O
((e))
None of these

Show Answer

Answer: ((a))

Who is sitting second to the left of M?

((a))
R
((b))
Q
((c))
N
((d))
O
((e))
No one

Show Answer

Answer: ((a))

Which pair of name – place is not correct?

((a))
O – Kolkata
((b))
P – Pune
((c))
Q – Chennai
((d))
M – Bangalore
((e))
R – Hyderabad

Show Answer

Answer: ((a))

O – Kolkata

How many pairs of letters are there in the word EXTREME according to the English alphabetical series (both in the forward and backward direction)?

((a))
Three
((b))
Four
((c))
Two
((d))
One
((e))
None

Show Answer

Answer: ((a))

Three

There are 6 persons in a family namely A, B, C, D, E and F, they all are related to each other in some or the other way. B is the only daughter of C. E is the sister in law of B, but is not married to F. F is the son of A. A has three children. C is the wife of A. How is D related to B?

((a))
Sister
((b))
Sister-in-law
((c))
Brother
((d))
Mother
((e))
Father

Show Answer

Answer: ((a))

Sister

There are six persons namely A, B, C, D, E and F. They all take leave from office on any one day of the week starting from Monday to Saturday. Only one person takes leave on one day. C is the first person to take a leave. Three persons take leave between D and C. F takes leave just after D. E takes leave on Wednesday. B takes a leave after A. Who takes a leave on Thursday?

((a))
A
((b))
D
((c))
E
((d))
B
((e))
F

Show Answer

Answer: ((a))

Direction: In the following question, assuming the given statements to be true, find which conclusion among the given conclusions is/are definitely true and then give your answers accordingly.

Statements: F = L; K < L; K ≥ D; M < D

Conclusions:

I. F ≥ M

II. L > D

((a))
Both I and II are True
((b))
Only II is True
((c))
Only I is True
((d))
Either I or II is True
((e))
Neither I nor II is true

Show Answer

Answer: ((a))

Both I and II are True

Direction: In the following question assuming the given statements to be True, find which conclusion among the given conclusions is/are definitely true and then give your answers accordingly.

Statements: H = G > F; A < B ≥ X; B ≤ F

Conclusions:

I. H ≥ A

II. X < F

((a))
Both I and II are True
((b))
Only II is True
((c))
Either I or II is True
((d))
Only I is True
((e))
Neither I nor II is true

Show Answer

Answer: ((a))

Both I and II are True

Directions: In the following question assuming the given statements to be True, find which of the conclusion among given conclusions is/are definitely true and then give your answers accordingly.

Statements:

A > B ≥ C; E = D ≤ C

Conclusions:

I. B ≥ D

II. A > E

((a))
Only II is True
((b))
Only I is True
((c))
Both I and II are True
((d))
None is True
((e))
Either I or II follows

Show Answer

Answer: ((a))

Only II is True

Directions: In the following question assuming the given statements to be True, find which of the conclusion among given conclusions is/are definitely true and then give your answers accordingly.

Statements: Q ≤ A < D < K ≤ M = J = F > Z

Conclusions:

I. K > Q

II. F ≥ K

((a))
Only II is True
((b))
Only I is True
((c))
Both I and II are True
((d))
Either I or II is True
((e))
None is true

Show Answer

Answer: ((a))

Only II is True

Directions: In the following question assuming the given statements to be True, find which of the conclusion among given conclusions is/are definitely true and then give your answers accordingly

Statements: P = Q ≤ R; T = P; T > S

Conclusions:

I. Q < S

II. R < S

((a))
Only I is True
((b))
Only II is True
((c))
Both I and II are True
((d))
Either I or II is True
((e))
None is True

Show Answer

Answer: ((a))

Only I is True

Direction: Read the following information carefully and answer the questions.

Nine boxes – B₁, B₂, B₃, B₄, B₅, B₆, B₇, B₈, B₉ are placed one above the other not necessarily in the same order. More than three boxes are placed between B₂and B₉. B₅is the lowermost box which is not kept immediately below B₂. Only four boxes are kept between B₃ and B₇which is not the topmost box. Only two boxes are kept between B₇ and B₆. Less than three boxes are kept below B₃. B₉is placed two places below B₈which is kept immediately below B₄. B₄ is placed on one of the places above B₁.

Which box is placed immediately below B₁?

((a))
B₅
((b))
B₃
((c))
B₄
((d))
B₈
((e))
Either a or d

Show Answer

Answer: ((a))

B₅

How many boxes are placed below B₃?

((a))
None
((b))
Two
((c))
Three
((d))
One
((e))
None of these

Show Answer

Answer: ((a))

None

If B ₇is related to B₂ and B₃is related to B₉in a certain way, then B₆ is related to?

((a))
B₈
((b))
B₄
((c))
B₁
((d))
B₃
((e))
B₅

Show Answer

Answer: ((a))

B₈

How many boxes are placed between B₇ and B₈?

((a))
Three
((b))
More than three
((c))
One
((d))
Two
((e))
Either a or d

Show Answer

Answer: ((a))

Three

Which of the following box is kept second from the top?

((a))
B₈
((b))
B₄
((c))
B₁
((d))
B₃
((e))
B₇

Show Answer

Answer: ((a))

B₈

Quantitative Aptitude (40 questions)

Find the missing number in the given series:

1000, 100, 20, 8, 6.4, ?

((a))
10
((b))
10.34
((c))
10.24
((d))
10.14
((e))
10.44

Show Answer

Answer: ((a))

Find the missing number in the given series:

2, 6, 33, 49, 174, ?

((a))
220
((b))
210
((c))
200
((d))
190
((e))
180

Show Answer

Answer: ((a))

220

Find the missing number in the given series:

14, 8, 9, 14.5, 30, ?

((a))
67
((b))
69
((c))
71
((d))
74
((e))
76

Show Answer

Answer: ((a))

Find the missing number in the given series:

77, 85, 69, 101, 37, ?

((a))
165
((b))
110
((c))
150
((d))
180
((e))
135

Show Answer

Answer: ((a))

165

Find the missing number in the given series:

20, 29, 54, 103, 184, ?

((a))
290
((b))
295
((c))
300
((d))
305
((e))
310

Show Answer

Answer: ((a))

290

Direction: The given bar graph shows the number of pens sold by two shops A & B in four consecutive months. Study the following data and answer the following questions:

Find the ratio of the number of pens sold by shop A in months 1^st and 3^rd together to the number of pens sold by shop B in months 2^nd and 4^th together.

((a))
27 : 28
((b))
28 : 29
((c))
29 : 30
((d))
26 : 27
((e))
None of these

Show Answer

Answer: ((a))

27 : 28

Find the average of the number of pens sold by shop A in 1^st and 3^rd months and the number of pens sold by shop B in 3^rd and 4^th month together.

((a))
75
((b))
85
((c))
72
((d))
78
((e))
None of these

Show Answer

Answer: ((a))

Find that the number of pens sold by shop A in 1^st month is how much percent more than the number of pens sold by shop A in 3^rd month.

((a))
37.5%
((b))
42.5%
((c))
33.33%
((d))
47.5%
((e))
None of these

Show Answer

Answer: ((a))

37.5%

What is the difference between the number of pens sold by shop A and B together in month 3^th and 4^th?

((a))
25
((b))
15
((c))
20
((d))
10
((e))
None of these

Show Answer

Answer: ((a))

Find the ratio of the number of pens sold by shop A in 1^st month to the number of pens sold by B in 3^rd month.

((a))
13 : 14
((b))
14 : 15
((c))
15 : 16
((d))
16 : 17
((e))
None of these

Show Answer

Answer: ((a))

13 : 14

A sum of money is invested on simple interest at 1.5% p.a for 8 years yields interest Rs.3000. What will be the simple interest on the same sum at 5% for 6 years.

((a))
8000
((b))
7500
((c))
9500
((d))
6000
((e))
None of these

Show Answer

Answer: ((a))

8000

The average of 5 term is 50. If the first 4 terms are 45, 37, 80 and 43 what will be the last term?

((a))
70
((b))
80
((c))
75
((d))
45
((e))
55

Show Answer

Answer: ((a))

The ratio between the present age of two friends Arvind and Mahesh is 5 : 6. After 8 years the ratio of their ages will be 7 : 8. Find the sum of Arvind and Mahesh's ages after 10 years.

((a))
45
((b))
60
((c))
64
((d))
74
((e))
None of these

Show Answer

Answer: ((a))

An article was purchased for Rs.93645. Its price was marked up by 30%. It was sold at a discount of 20% on the marked up price. What was the profit percentage on the cost price?

((a))
5%
((b))
10%
((c))
7%
((d))
4%
((e))
8%

Show Answer

Answer: ((a))

Given below are two quantities named I and II. Based on the given information, you have to determine the relation between the two quantities. You should use the given data and your knowledge of Mathematics to choose among the possible answers.

Quantity I: A certain invested for 2 years at the rate of 12% simple interest. If the simple Interest is Rs.1200. Find the Principal.

Quantity II: Rs. 6000

((a))
Quantity I > Quantity II
((b))
Quantity I < Quantity II
((c))
Quantity I ≥ Quantity II
((d))
Quantity I ≤ Quantity II
((e))
Quantity I = Quantity II

Show Answer

Answer: ((a))

Quantity I > Quantity II

Quantity I: An article was sold at Rs. 450. If the profit earned by selling the article is 20%. Find the Cost price.

Quantity II: Rs. 350

((a))
Quantity I > Quantity II
((b))
Quantity I < Quantity II
((c))
Quantity I ≥ Quantity II
((d))
Quantity I ≤ Quantity II
((e))
Quantity I = Quantity II

Show Answer

Answer: ((a))

Quantity I > Quantity II

Quantity I: A coin is tossed 3 times. What is the probability of getting a tail each time?

Quantity II: 1/16

((a))
Quantity I > Quantity II
((b))
Quantity I < Quantity II
((c))
Quantity I ≥ Quantity II
((d))
Quantity I ≤ Quantity II
((e))
Quantity I = Quantity II

Show Answer

Answer: ((a))

Quantity I > Quantity II

Quantity I: If A goes with 4/5th of his actual speed he reaches the distance 1.5 hours late. What was his actual time (in hours)?

Quantity II: 6

((a))
Quantity I > Quantity II
((b))
Quantity I < Quantity II
((c))
Quantity I ≥ Quantity II
((d))
Quantity I ≤ Quantity II
((e))
Quantity I = Quantity II

Show Answer

Answer: ((a))

Quantity I > Quantity II

Quantity I: The income of A and B are in the ratio 4 : 3 and their expenditures are in the ratio 2 : 1. If each saves Rs. 200, then what will the sum of their incomes?

Quantity II: 500

((a))
Quantity I < Quantity II
((b))
Quantity I > Quantity II
((c))
Quantity I ≥ Quantity II
((d))
Quantity I ≤ Quantity II
((e))
Quantity I = Quantity II

Show Answer

Answer: ((a))

Quantity I < Quantity II

What approximate value should come in the place of x in the following question?

1027.96 = 20% of 4999.98 + 7% of (199.95/x)

((a))
0.05
((b))
5
((c))
0.5
((d))
50
((e))
2

Show Answer

Answer: ((a))

0.05

What approximate value should come in the place of x in the following question?

257.12 + 187.99x = (49.99)² + 390.09

((a))
16
((b))
14
((c))
20
((d))
18
((e))
22

Show Answer

Answer: ((a))

What approximate value should come in the place of x in the following question?

(2.99/3.99) × ∛511.99 + 123.9% of 650.11 = x

((a))
901
((b))
812
((c))
821
((d))
832
((e))
841

Show Answer

Answer: ((a))

901

What approximate value should come in the place of x in the following question?

24.002 × 14.005 – 7.995 × 5.96 = x

((a))
280
((b))
272
((c))
266
((d))
255
((e))
288

Show Answer

Answer: ((a))

280

What approximate value should come in the place of x in the following question

√784.01 × 7.042 + 351.99 × 24.98% = x

((a))
264
((b))
244
((c))
284
((d))
266
((e))
224

Show Answer

Answer: ((a))

264

What approximate value should come in the place of x in the following question?

(15.96/11.99) × 143.68 + 29.93% of 439.96 - 155.65 = x

((a))
145
((b))
168
((c))
196
((d))
230
((e))
285

Show Answer

Answer: ((a))

145

The diameter of the circle is twice the length of the rectangle. The ratio between their areas is 11 : 7 respectively. Then what will be the ratio between the length and breadth of the rectangle?

((a))
1 : 2
((b))
1 : 4
((c))
1 : 7
((d))
2 : 1
((e))
7 : 1

Show Answer

Answer: ((a))

1 : 2

In a mixture the ratio of milk to water is 4 : 1. If 30 litre of water is added then new ratio becomes 14 : 11. Calculate the initial mixture?

((a))
20 litre
((b))
65 litre
((c))
70 litre
((d))
10 litre
((e))
30 litres

Show Answer

Answer: ((a))

20 litre

A and B together can do the work in X days. A takes 12 days less than B to complete the whole. If time taken by A to complete the whole working alone is 9 days, then find X.

((a))
6.3 days
((b))
7 days
((c))
5 days
((d))
5.5 days
((e))
7.2 days

Show Answer

Answer: ((a))

6.3 days

Age of A is 1.5 times of B. The ratio of their ages after 10 years is 4 : 3. then what is the current age of B?

((a))
15
((b))
45
((c))
30
((d))
20
((e))
25

Show Answer

Answer: ((a))

A man rows 10 km upstream and the same distance downstream. The difference in time taken by the man in rowing upstream and downstream is 5min. If the speed of boat is 35 km/hr, what is the speed of the stream?

((a))
13 km/ hr
((b))
5 km/hr
((c))
10 km/hr
((d))
7.5 km/hr
((e))
3 km/hr

Show Answer

Answer: ((a))

13 km/ hr

There is a 50% increase in an amount in 5 years at certain rate of simple interest. What will be the compound interest of Rs. 15000 for 2 years at the same rate?

((a))
1795
((b))
3065
((c))
3150
((d))
1815
((e))
1875

Show Answer

Answer: ((a))

1795

A started a business with Rs.10000 after 6 months B joins with Rs.12000. At the end of the year total profit is Rs.96000. Find the share of A in the profit.

((a))
Rs. 50000
((b))
Rs. 40000
((c))
Rs. 80000
((d))
Rs. 45000
((e))
Rs. 60000

Show Answer

Answer: ((a))

Rs. 50000

Two trains, each having a length of 320 meters moving in the same direction crossed each other in 18 seconds. If the slower train crosses the 200 meters long platform in 26 seconds. Then find the speed in km/hr of the faster train.

((a))
180 km/hr
((b))
176 km/hr
((c))
200 km/hr
((d))
182 km/hr
((e))
264 km/hr

Show Answer

Answer: ((a))

180 km/hr

To fill the tank Pipe A and Pipe B takes 12hours. Pipe B and Pipe C takes 9 hours to fill the tank and Pipe C and Pipe A together take 15 hours to fill the tank. Find the time taken to fill the tank when Pipe A, Pipe B and Pipe C opened together(approximately).

((a))
5 hours
((b))
8 hours
((c))
9 hours
((d))
11 hours
((e))
6 hours

Show Answer

Answer: ((a))

5 hours

Three numbers A, B and C are in the ratio of 12 : 15 : 25. If sum of these numbers is 312, Find the difference between A and C.

((a))
72
((b))
78
((c))
65
((d))
52
((e))
96

Show Answer

Answer: ((a))

Direction: Read the following table carefully and answer the following questions:

The table shows the total number of students and the number of girls in three schools A, B & C in two consecutive years.

Years →	1999	2000
School	Total number of students	Number of girls	Total number of students	Number of girls
A	500	270	600	350
B	400	160	500	250
C	600	270	800	700

Find the number of boys in year 1999 is how much percent more than the number of boys in year 2000 together in all the three schools.

((a))
50%
((b))
40%
((c))
33.33%
((d))
30%
((e))
None of these

Show Answer

Answer: ((a))

50%

Find the ratio of the total number of boys of school A and B together in year 1999 to the number of boys of school B and C together in 2000.

((a))
35 : 47
((b))
37 : 45
((c))
45 : 37
((d))
47 : 35
((e))
None of these

Show Answer

Answer: ((a))

35 : 47

Find the average number of boys of all the schools in year 2000.

((a))
200
((b))
250
((c))
300
((d))
175
((e))
None of these

Show Answer

Answer: ((a))

200

If the total number of students of school B in the year 2001 is 20% more than that of school B in the year 2000 and the number of boys in 2001 is 50% more than that of the number of boys in school B in the year 2000, then find the average number of girls in the year 2001 in all the school together. (The strength of school A and C are constant for year 2000 and 2001).

((a))
525
((b))
425
((c))
325
((d))
350
((e))
None of these

Show Answer

Answer: ((a))

525

If the total number of boys of school C in the year 2001 is (300/11)% more than that of school C in the year 1999 and the number of girls of school C in the year 2001 is 100% more than that of school C in the year 1999, then find the ratio of number of boys of school C in 2001 to the number of girls of school C in 2001.

((a))
7 : 9
((b))
3 : 7
((c))
5 : 7
((d))
5 : 9
((e))
None of these

Show Answer

Answer: ((a))

7 : 9

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