BB Assistant Director-2014

1. Tanya’s grandfather was 8 times older to her 16 years ago. He would be 3 times of her age 8 years from now. Eight years ago, what was the ratio of Tanya’s age to that of her grandfather?

[BB Assistant Director-2014 : 2014]

1. 1:2

1

2. 1:5

2

3. 3:8

3

4. None of these

4
Answer
2. If ax= b, by=c and cz=a, then the value of xyz ?

[BB Assistant Director-2014 : 2014]

1. 0

1

2. 1

2

3. 1/abc

3

4. abc

4
Answer
3. The average of first nine prime number is:

[BB Assistant Director-2014 : 2014]

1. 9

1

2. 11

2

3. 111⁄9

3

4. 112⁄9

4
Answer
4. If the compound interest on a sum for 2 years at 12.5% per annum is Tk. 510 the simple interest on the same sum at the same rate for the same period of time is:

[BB Assistant Director-2014 : 2014]

1. Tk. 400

1

2. Tk. 450

2

3. Tk. 460

3

4. Tk. 480

4
Answer
5. A man can do a piece of work in 5 days. But with the help of his son, he can do it in 3 days. In what time can the son do it alone?

[BB Assistant Director-2014 : 2014]

1. 6.5 days

1

2. 7 days

2

3. 7.5 days

3

4. 8 days

4
Answer