Senior Officer 2019 [MCQ] - lessonbd

Name of Section:

Senior Officer 2019 [MCQ]

41. The size of the wooden block is 5 x 10 x 20 cm. How many such blocks will be required to construct a solid wooden cube of minimum size?

[Senior Officer 2019 [MCQ] : 2019]

1. 12

2. 6

3. 10

4. 8

Answer

42. A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paisa per m^2, is :

[Senior Officer 2019 [MCQ] : 2019]

1. Tk. 456

2. Tk. 458

3. Tk. 558

4. Tk. 568

Answer

43. The difference of two numbers is 20% of the larger number, if the smaller number is 20, then the larger number is :

[Senior Officer 2019 [MCQ] : 2019]

1. 25

2. 20

3. 10

4. 30

Answer

44. 12 buckets of water fill a tank when the capacity of each tank is 13.5 liters. How many 41 d. buckets will be needed to fill the same tank, if the capacity of each bucket is 9 liters?

[Senior Officer 2019 [MCQ] : 2019]

1. 8

2. 18

3. 16

4. 4

Answer

45. The sum of three numbers is 98. If the ratio of the first to second is 2:3 and that of the second to the third is 5:8, then the second number is :

[Senior Officer 2019 [MCQ] : 2019]

1. 10

2. 20

3. 40

4. 30

Answer