Officer-2019 [MCQ]

16. There are 10 true false questions in an examination. These questions can be answered in__

[Officer-2019 [MCQ] : 2019]

1. 20 ways

1

2. 100 ways

2

3. 2^10 ways

3

4. 1024 ways

4
Answer
17. If two fair coins are flipped, what is the probability that one will come up heads and the other tails?

[Officer-2019 [MCQ] : 2019]

1. 1/4

1

2. ⅓

2

3. ½

3

4. 3/4

4
Answer
18. If the diagonal of a square measures 16√2 cm, what is the area of the square in sq. cm?

[Officer-2019 [MCQ] : 2019]

1. 32√2

1

2. 64√2

2

3. 128

3

4. 256

4
Answer
19. If logx 9/16 = - -½ the value of the base is__

[Officer-2019 [MCQ] : 2019]

1. 16/9

1

2. 9/16

2

3. 256/81

3

4. 81/256

4
Answer
20. If cos A + cos^2A = 1, then the value of the expression (cos^2A + cosA) is—

[Officer-2019 [MCQ] : 2019]

1. 1

1

2. 1/2

2

3. 2

3

4. 3

4
Answer