PSC/ BANK QUESTIONS ON RATIO AND PROPORTIONS 2

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QUESTIONS ON RATIO AND PROPORTIONS 2

1.       A certain number is divided into two parts in the ratio 5:7. If the first part is 65 what is the other part?

a.       71

b.      91

c.       101

d.      111

e.      none of these

2.       if 17/18 of an estate be worth Rs 8500, what is the value of 2/3 of it?

a.       5000

b.      6000

c.       7000

d.      8000

e.      none of these.

3.       if a:b = 7:3 and b:c = 3:14 then a:c =?

a.       1:3

b.      1:5

c.       1:2

d.      3:5

e.      none of these

4.       The ratio of 4 hours 30 minutes and 6 hours 15 minutes in its simplest form is ?

a.       18/25

b.      23/18

c.       9/25

d.      3/95

e.      none of these

5.       What weight has to 63 kg the ratio of 7 to 9

a.       36 kg

b.      49

c.       81 kg

d.      49 kg

e.      none of these

6.       Divide Rs 48 between Vivek and Vikas in such a way that 6 times vivek’s share will be equal to 10 times Vikas’s share.

a.       Rs 40, Rs 8

b.      Rs 30, Rs 18

c.       Rs 35, Rs 13

d.      Rs 20, Rs 28

e.      None of these

7.       If two trains travel respectively 224 km in 4 hours and 252 km in 6 hours, the ratio of their speed is

a.       3:4

b.      1:2

c.       4:3

d.      3:5

e.      none of these

8.       A father wishes to divide some money in three parts A, B and C. so that A’s share : B’s share= 2:3 and B’s share:C’s share =4:5. What is B’s share?

a.       90

b.      85

c.       59

d.      72

e.      none of these

9.       Annual income of P and Q are in the ratio 4:3 and their annual expenses are 3:2. If each of them saves Rs 600 at the end of the year, find P’s income.

a.       Rs 2700

b.      Rs 2100

c.       Rs 1500

d.      Rs 2400

e.      none of these

10.   Three numbers are in the ratio 3:4:5 and the sum of their squares is 800. The numbers are

a.       12,16,20

b.      6,8,10

c.       9,12,15

d.      3,4,5

e.      none of these

11.   What will be the fourth proportional to the numbers 8,9,12

a.       14½

b.      14

c.       13½

d.      13

e.      none of these

12.   What will be the third proportional to the numbers 55 and 165?

a.       500

b.      495

c.       490

d.      485

e.      none of these

13.   The mean proportional between 9 and 16 is

a.       12

b.      14

c.       16

d.      20

e.      none of these

14.   The number which has to 55  the same ratio that 4 has to 5 is

a.       81

b.      11

c.       33

d.      44

e.      none of these

15.   If on a certain map 5cm represent 150 km, then the length which represents 240 km is

a.       9 cm

b.      8 cm

c.       7 cm

d.      6 cm

e.      none of these

Answers