Name of Section:

Asst. Excutive Officer 2019 [MCQ]

41. How many iron rods, each of length 7 m and diameter 2 cm can be made out of 0.88 m^3 of iron?

[Asst. Excutive Officer 2019 [MCQ] : 2019]

1. 400

1

2. 200

2

3. 300

3

4. 100

4
Answer
42. A is three times as old as B. C was twice-as old as A four years ago. In four years‘ time, A will be 31. What are the present ages of B and C?

[Asst. Excutive Officer 2019 [MCQ] : 2019]

1. 45, 10

1

2. 9,50

2

3. 10,50

3

4. 50,15

4
Answer
43. If 3√5 + √125 = 17.88 , then what will be the value of √80 +6√5 = ?

[Asst. Excutive Officer 2019 [MCQ] : 2019]

1. 13.41

1

2. 20.46

2

3. 21.66

3

4. 22.35

4
Answer
44. What will be simple interest for 1 year and 4 months on a sum of Tk. 25800 at the rate of 14% per annum?

[Asst. Excutive Officer 2019 [MCQ] : 2019]

1. Tk.4816

1

2. Tk.2580

2

3. Tk.4815

3

4. None of these

4
Answer
45. An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is :

[Asst. Excutive Officer 2019 [MCQ] : 2019]

1. 2.00%

1

2. 4.04%

2

3. 2.02%

3

4. 4.00%

4
Answer

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