Name of Section:

Officer (Cash) 2018 [MCQ]

51. A box contains 20 electric bulbs, out of which 4 are defective. Two bulbs are chosen at Sy random from this box. The probability that at least one of these is defective is__

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

1. 7/19

1

2. 6/19

2

3. 5/19

3

4. 3/19

4
Answer
52. There is rectangular parking lot with a length of 2x and a width of x. What is the ratio of the perimeter of the parking lot to the area of the parking lot, in terms of x?

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

1. 2/x

1

2. 3/x

2

3. 4/x

3

4. 5/19

4
Answer
53. The ratio of income of A to that of B is 7:5 and the expenditure of A to that of B is 3:2. If, at the end of the year, each saves Tk. 500, find the income of A.

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

1. Tk. 2500

1

2. Tk. 3000

2

3. Tk. 3200

3

4. Tk.3500

4
Answer
54. An empty bucket being filled with paint at a constant rate takes 6 min to be filled to 7/10 of its capacity. How much more time will it take to fill the bucket to full capacity?

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

1. 18/7

1

2. 20/7

2

3. 20/14

3

4. 18/14

4
Answer
55. In distributing milk at a summer camp it is found that a quart of milk will fill either 3 large glass tumblers or 5 small glass tumblers. How many small glass tumblers can be filled with one large glass tumbler?

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

1. 11/5

1

2. 7/5

2

3. 5/3

3

4. 7/3

4
Answer

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