Name of Section:

Senior Officer 2019 [MCQ]

51. The number of parallelograms that can be formed from a set of four parallel lines intersecting another set of three parallel lines is__

[Senior Officer 2019 [MCQ] : 2019]

1. 6

1

2. 9

2

3. 12

3

4. 18

4
Answer
52. There are 5 red and 3 black balls in a bag. Probability of drawing a black ball is—

[Senior Officer 2019 [MCQ] : 2019]

1. ⅝

1

2. ½

2

3. ⅜

3

4. 1/4

4
Answer
53. Find the largest fraction from the following:

[Senior Officer 2019 [MCQ] : 2019]

1. -5/11

1

2. - 8/13

2

3. -7/19

3

4. -15/97

4
Answer
54. If x+1/x = 3, then x-1/x =?

[Senior Officer 2019 [MCQ] : 2019]

1. √5

1

2. √13

2

3. √7

3

4. 0

4
Answer
55. The factors of x^2 – 5x – 6 are:

[Senior Officer 2019 [MCQ] : 2019]

1. (x-6) (x + 1)

1

2. (x+6) (x-1)

2

3. (x-3) (x+2)

3

4. (x-3) (x - 2)

4
Answer

Copyright ©LessonBD 2026

Contact: info@lessonbd.com