10 Questions

Questions and Answers

- 1.
- A.
12

- B.
18

- C.
20

- D.
22

- 2.If 1+2+….+k=55, then the value of k is
- A.
10

- B.
11

- C.
12

- D.
13

- 3.The 10th term of the sequence whose nth term is (3n-2) is
- A.
28

- B.
42

- C.
35

- D.
32

- 4.If cot A = 12/5, then the value of (sin A + cos A) x cosec A is :
- A.
13/5

- B.
17/5

- C.
14/5

- D.
1

- 5.Given that sin A = 1/2 and cos B= 1/ then the value of (A+B) is :
- A.
30 Degree

- B.
45 Degree

- C.
75 Degree

- D.
15 Degree

- 6.
- A.
Angle of triangle

- B.
Angle of depression

- C.
Angle of elevation

- D.
None of the these

- 7.The HCF of two numbers a and b is 30, while their LCM is 45. What is the value of (a x b) ?
- A.
1250

- B.
1255

- C.
1350

- D.
1355

- 8.Solve for x : 2x + y = 8, y= - 6
- A.
6

- B.
4

- C.
7

- D.
16

- 9.Probability of an event can be -1/6
- A.
True

- B.
False

- 10.In a lottery there are 10 prizes and 20 blank. What is the probability of getting prize?
- A.
1/2

- B.
1

- C.
1/3

- D.
1/10