| Math (Practice Test-2) |
1. At what rate of compound interest will an amount increase 6.25 times?
- 50%
- 150%
- 120%
- 30%
[su_spoiler title=”Answer” style=”fancy” icon=”caret”] 150% [/su_spoiler]
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
[su_spoiler title=”Answer” style=”fancy” icon=”caret”] 20 cm [/su_spoiler]
3. Which of the following statement is false ?
- A ∩ Φ = A
- A ∩ A = A
- A ∩ Φ = Φ
- A ∩ A = A
[su_spoiler title=”Answer” style=”fancy” icon=”caret”] A ∩ Φ = Φ [/su_spoiler]
4. One of the factors of the following is –
x² + 7x² + 14x + 8
- x + 1
- x – 1
- x + 3
- x – 5
[su_spoiler title=”Answer” style=”fancy” icon=”caret”] x + 1 [/su_spoiler]
5. What is the range of the given date?
1, 13, 17, 16, 14, 25
- 24
- 26
- 25
- 27
[su_spoiler title=”Answer” style=”fancy” icon=”caret”] 26 [/su_spoiler]
6. What is the value of the following ? log 15²²⁵²⁵
- 15 x 225
- 240
- 225
- 450
[su_spoiler title=”Answer” style=”fancy” icon=”caret”] 450 [/su_spoiler]
7. The ratio of the volumes of a cube and sphere enclosed within is-
- 6 : π
- 3: yπ
- 3 : π
- None
[su_spoiler title=”Answer” style=”fancy” icon=”caret”] 6 : π [/su_spoiler]
8. if 2 cos³θ + 5 sin²θ = 3, What is the value of tan ?
- 2
- 1/2
- 3/8
- 3/7
[su_spoiler title=”Answer” style=”fancy” icon=”caret”] 1/2 [/su_spoiler]
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
[su_spoiler title=”Answer” style=”fancy” icon=”caret”] 20 [/su_spoiler]
10. The sum of two positive numbers is 5 and sum of their squares is 17, ther their products is –
- 4
- 8
- 12
- 22
[su_spoiler title=”Answer” style=”fancy” icon=”caret”] 4 [/su_spoiler]