SSC MTS MATHS QUIZ-26

Question 1:

The ratio of the number of boys and girls in a school with 462 students is 6 : 5. When some new boys and girls are admitted, the number of girls increases by 30 to the school, the ratio of boys to girls changes to 13 : 12. how many new boys have enrolled?

12

14

8

10

Question 2:

What is the volume of a hemisphere having radius $3 \mathrm{~cm}$ ?

$9 \pi \mathrm{cm}^{3}$

$27 \pi \mathrm{cm}^{3}$

$18 \pi \mathrm{cm}^{3}$

$36 \pi \mathrm{cm}^{3}$,

Question 3:

A borrows a sum of ₹ 9,000 for 3 years at 5 % simple interest. He lends it at simple interest to B at 7 % for 3 years. What is his gain (in ₹)?

700

540

600

450

Question 4:

A 248-m-long train travelling at 88 km/h takes 30 seconds to cross another train, x m long, travelling at 34 km/h in the same direction. What is the value of x?

192

197

202

207

Question 5:

18 persons can complete a work in 15 days when they work 6 hours a day. The time (in days) taken by 12 persons working 10 hours a day to complete the same work, is:

$12 \frac{1}{2}$

15

$13 \frac{1}{2}$

12

Question 6:

$-(-6)[3-\{8-(-3)\}] \div[4\{12+(-3) \times 6\}]=?$

$-4$

1

$-2$

2

Question 7:

If there is a discount of 75% on the marked price and the cost price becomes equal to the selling price, then by what percent was the price marked up?

3

2.5

1.8

2

Question 8:

The reduction of 15% in the price of salt enables a person to buy 2 kg more for ₹ 272 . The reduced price of salt per kg (in ₹) is:

20.4

22.16

24.25

25

Question 9:

Find the unit place digit:

$(3694)^{1793} \times(615)^{317} \times(841)^{151}$

0

2

3

5

Question 10:

From a class of 24 boys, a boy, aged 10 years, leaves the class and in his place a new boy is admitted. As a result, the average age of the class is increased by 2 months. What is the age of the new boy ?

12 years

15 years

14 years

13 years