Aptitude test for Teachers - Set 2

1)   Three solid metallic balls of diameter 3cm, 4cm and 5m are melted into a solid sphere. The radius of new sphere is

a. 6 cm
b. 4 cm
c. 3 cm
d. 5 cm

2)   A boy was asked to multiply a number by 12. But he multiplied by 21 and got his answer 63 more than the correct answer. The number to be multiplied was

a. 7
b. 9
c. 8
d. 12

3)   A number is multiplied by its one-third to get 192. Find the number.

a. 16
b. 20
c. 24
d. 28

4)   What is smallest number with which 5400 may be multiplied so that the product is perfect cube?

a. 5
b. 3
c. 4
d. 6

5)   280 oranges are divided among some boys and girls whose total number is 50 so that each boy gets 5 oranges and each girl get 7 oranges. The number of girls is

a. 30
b. 35
c. 15
d. 20

6)   The sum of four consecutive integers is 1290. The greatest of them is?

a. 321
b. 322
c. 323
d. 324

7)   ¾ part of tank is full of water. When 30 litres of water is taken out it becomes empty. The capacity of the tank is?

a. 36 litres
b. 42 litres
c. 40 litres
d. 38 litres

8)   Two numbers are in ratio 2:3. If 2 be subtracted from the first and 2 be added to the second, the ratio becomes 1:2. Find the sum of the numbers.

a. 30
b. 28
c. 24
d. 10

9)   The greatest length of the scale that can measure exactly 30 cm, 90 cm, 1 m 20 cm and 1 m 35 cm lengths is

a. 5 cm
b. 10 cm
c. 15cm
d. 30 cm

10)   The value of 30.000027 x 0.008 is

a. 0.0006
b. 0.06
c. 0.006
d. 0.6

11)   What is value of
 0.125 + 0.027 0.5 x 0.5 + 0.09 - 0.15

a. 1
b. 0.2
c. 0.08
d. 0.8

12)

a. 1
b. 10
c. 100
d. 1000

13)   Express 2/3 of 1/4 of Rs.25.20 as a fraction of 1 1/2 of Rs. 36

a. 7/90
b. 11/90
c. 5/8
d. 5/42

14)

a. 2
b. 4
c. 8
d. 6

15)   Which is largest amongst 5/8, 2/3, 7/9, 3/5?

a. 5/8
b. 2/3
c. 7/9
d. 3/5

16)   On simplification of the following, the result will be
(1 - 1/2)(1 - 1/3)(1 - 1/4)……..(1 - 1/100)

a. 0.01
b. 0.001
c. 1
d. 0.1

17)

a. 5/46
b. 68/157
c. 157/68
d. 21/110

18)

a. 2
b. 1
c. -3
d. 5

19)   A shopkeeper earns a profit of 15% after selling a book at 20% discount on the printed price. The ratio of the cost price and printed price of the book is?

a. 20:23
b. 23:20
c. 16:23
d. 23:16