Pubali Bank Senior,Junior Officer /Officer(Cash)-2014

11. If the radius of a circle is increased by 6%, then the area is increased by:

[Pubali Bank Officer(Cash)-2014 : 2014]

1. 6%

1

2. 12%

2

3. 12.36%

3

4. 16.64%

4
Answer
12. If the height of a triangle is decreased by 40% and its base is increased by 40% what will be the effect on its area ?

[Pubali Bank Officer(Cash)-2014 : 2014]

1. No change

1

2. 16% decrease

2

3. 8% decrease

3

4. 17% increase

4
Answer
13. A tank is 25m long 12m wide and 6m deep. The cost of plastering its walls and bottom at 75 paise per sq m is

[Pubali Bank Officer(Cash)-2014 : 2014]

1. Tk. 456

1

2. Tk. 458

2

3. Tk. 558

3

4. Tk. 568

4
Answer
14. The diagonal of a square is 4V2 cm. The diagonal of another square whose area is double that of the first square is:

[Pubali Bank Officer(Cash)-2014 : 2014]

1. 8 cm

1

2. 8√2 cm

2

3. 4√2 cm

3

4. 16 cm

4
Answer
15. 10% loss on selling price is what percent loss on the cost price?

[Pubali Bank Officer(Cash)-2014 : 2014]

1. 9(1/11)%

1

2. 9(2/11)%

2

3. 10%

3

4. 11%

4
Answer