Math (Practice Test-2) |

1. At what rate of compound interest will an amount increase 6.25 times?

- 50%
- 150%
- 120%
- 30%

2. The areas of two circles differ by 100 cm² and their circumterence differ by 10 cm, what is the sum of their radi i ?

- 20 cm
- 20 π cm
- 10√2 cm
- 10 π cm

3. Which of the following statement is false ?

- A ∩ Φ = A
- A ∩ A = A
- A ∩ Φ = Φ
- A ∩ A = A

4. One of the factors of the following is –

x² + 7x² + 14x + 8

- x + 1
- x – 1
- x + 3
- x – 5

5. What is the range of the given date?

1, 13, 17, 16, 14, 25

- 24
- 26
- 25
- 27

6. What is the value of the following ? log 15²²⁵²⁵

- 15 x 225
- 240
- 225
- 450

7. The ratio of the volumes of a cube and sphere enclosed within is-

- 6 : π
- 3: yπ
- 3 : π
- None

8. if 2 cos³θ + 5 sin²θ = 3, What is the value of tan ?

- 2
- 1/2
- 3/8
- 3/7

9. There are 100 students in a class 20 of them know only english and 50 of them know Hindi only 10 students know neither English non Hindi. How many students know both English and Hindi ?

- 5
- 10
- 15
- 20

10. The sum of two positive numbers is 5 and sum of their squares is 17, ther their products is –

- 4
- 8
- 12
- 22