Officer (Cash)-2018 [MCQ]

11. The value of k, if (x-1) is a factor of 4x^3 + 3x^2– 4x+k, is__

[Officer (Cash)-2018 [MCQ] : 2018]

1. 1

1

2. 2

2

3. -3

3

4. 3

4
Answer
12. There are 5 red and 3 black balls in a bag. Probability of drawing a black ball is__

[Officer (Cash)-2018 [MCQ] : 2018]

1. 5/8

1

2. ½

2

3. ⅜

3

4. 1/4

4
Answer
13. The total surface area of a hemisphere of radius r is__

[Officer (Cash)-2018 [MCQ] : 2018]

1. 4πr^2

1

2. πr^2

2

3. 2πr^2

3

4. 3πr^2

4
Answer
14. The roots of the equation 9x^2 - bx + 81 =0 will be equal, if the value of b is

[Officer (Cash)-2018 [MCQ] : 2018]

1. +9

1

2. +18

2

3. 27

3

4. 354

4
Answer
15. Consider that w+x=-4, x + y = 25 and y + W = 15. Then the average of w, x, y is—

[Officer (Cash)-2018 [MCQ] : 2018]

1. 3

1

2. 4

2

3. 5

3

4. 6

4
Answer