Name of Section:

Senior Officer 2019 [MCQ]

46. If sec 0 + tan 0 = x, then tan 0 is

[Senior Officer 2019 [MCQ] : 2019]

1. (x^2+1)/x 6

1

2. (x^2-1)/x

2

3. (x^2 + 1)/2x d

3

4. (x^2-1)/2x

4
Answer
47. The area of a triangle with sides 3 cm, 5 cm and 6 cm is__

[Senior Officer 2019 [MCQ] : 2019]

1. 2√3cm^2

1

2. 2√14cm^2

2

3. 5√12cm^2

3

4. 4√14cm^2

4
Answer
48. The value of k, if (x - 1) is a factor of 4x^3 + 3x^2 - 4x + k, is—

[Senior Officer 2019 [MCQ] : 2019]

1. 1

1

2. 2

2

3. -3

3

4. 3

4
Answer
49. If the radius of cylinder is halved and height is doubled, then what will be the curved surface area?

[Senior Officer 2019 [MCQ] : 2019]

1. increase by 1

1

2. the same

2

3. double

3

4. triple

4
Answer
50. If a + 2b = 6 and ab = 4 what is 2/a + 1/b?

[Senior Officer 2019 [MCQ] : 2019]

1. 1/2

1

2. 1

2

3. 3/2

3

4. 2

4
Answer

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