SSC CHSL MATHS(RATIO AND PROPORTION) QUIZ

Question 1:

When $x$ is added to each of $6,12,18$ and 28, the numbers obtained in this sequence are in a proportion. What will be the value of $(5 x-8):(x+4)$?

$31: 9$

$7: 2$

$8: 3$

$13: 4$

Question 2:

If $\mathrm{a}: \mathrm{b}=4: 9$ and $\mathrm{b}: \mathrm{c}=3: 7$, then find $\mathrm{a}: \mathrm{b}: \mathrm{c}$.

$4: 6: 19$

$2: 9: 4$

$4: 9: 21$

$3: 5: 8$

Question 3:

If $P: Q=3: 2$, then find the ratio $\left(P^2-Q^2\right):\left(P^2+Q^2\right)$.

$5: 13$

$13: 5$

$10: 9$

$4: 9$

Question 4:

In a competitive examination, the ratio of qualified boys and girls is 3 : 2. If one more boy qualifies, and one qualified girl leaves the class, then their new ratio becomes 2 : 1. What is the initial total sum of the qualified candidates?

10

15

12

18

Question 5:

The monthly salaries of A, B and C are in the ratio 7 : 8 : 11. If the monthly salary of B is ₹ 3,600 less than that of C, then what is the annual salary (in ₹) of A?

8,40,000

1,00,800

6,30,000

3,15,000

Question 6:

3/7th of a beaker contains water. 16 L of water is required to fill the beaker with water to the top. What is the capacity of the beaker?

28 L

14 L

50 L

100 L

Question 7:

The ratio of the market price of wheat and rice is 3: 8 and the ratio of their quantities consumed in a family is 4: 9. What is the ratio of expenditure on wheat and rice?

6 : 1

3 : 2

1 : 6

2 : 3

Question 8:

When $x$ is subtracted from each of the numbers $22,39,56$ and $107$, then the resulting numbers, in this order, are in proportion. What is the mean proportional between $(x+3)$ and $(3 x-7)$ ?

8

12

14

10

Question 9:

What is the third proportional to 9 and 36 ?

72

288

144

122

Question 10:

The sum of three numbers is 118 . If the ratio of the first number to the second number is 3:4 and that of the second number to the third number is 5:6. Find the third number.

30

58

48

40