## Mathematics and Pedagogy MCQ Question with Answer:

1. The smallest number by which 3087 may be multiplied so that the product is a perfect cube is

(a) 6

(b) 5

(c) 4

(d) 3

2. Surendra borrows Rs. 400 from his friend. He agrees to return the money after 4 yr at the rate of 5% per annum. How much amount will he pay?

(a) Rs. 500

(b) Rs. 580

(c) Rs. 480

(d) Rs. 400

3. A soap-cake measures 7 cm in length, 5 cm in breadth and 2.5 cm in height. How many soap-cakes can be placed in a cardboard box whose length, breadth and height are, respectively 56 cm, 40 cm and 25 cm?

(a) 64

(b) 640

(c) 6400

(d) 6440

4. decimal equivalent as

(a) 17.625

(b) 17.6025

(c) 17.0625

(d) 17.0525

5. Two numbers are in the ratio 2:3. If 9 is added to each, they will be in the ratio 3:4, the numbers are

(a) 12, 28

(b) 8, 12

(c) 18, 27

(d) 10, 15

6. The average of 4 numbers is 7. If the sum of first three numbers is 20, find the fourth number.

(a) 7

(b) 10

(c) 9

(d) 8

7. Rajesh purchased a watch for Rs. 300. He sold it for Rs. 330. Find the profit percent.

(a) 5%

(b) 13%

(c) 14%

(d) 10%

8. ∠POR and ∠QOR form a linear pair. If a – b =80°, then the value of a and b is respectively

(a) 108°, 72°

(b) 105°, 75°

(c) 95°, 85°

(d) 130°, 50°

9. Simplify :

(a) 24

(b) 12

(c) 12^{-1}

(d) None of these

10. A water tank is 3 m long, 2.5 m broad and 4 m high. What is the capacity of the tank in liters, if 1000 cu cm=1L?

(a) 20000

(b) 5000

(c) 30000

(d) 4000

11. If then

(a) 1

(b) 2

(c) 3

(d) 4

12. The value of is equal to

(a) 0.00021

(b) 0.0021

(c) 0.021

(d) 0.21

13. If of an estate be worth Rs. 16800, then the value of of it is

(a) Rs. 90000

(b) Rs. 9000

(c) Rs. 72000

(d) Rs. 21000

14. If a number x is 10% less than another number y and y is 10% more than 125, then x is equal to

(a) 150

(b) 143

(c) 140.55

(d) 123.75

15. A man with of his usual speed reaches the destination hr late. Find his usual time to reach the destination.

(a) 4 hr

(b) 3 hr

(c) hr

(d) 4 hr