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বাংলাদেশ ব্যাংক অফিসার প্রশ্ন সমাধান ২০১৬

বাংলাদেশ ব্যাংক ২০১৬
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Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in:

A2(8/11) hours

B3(9/17)hours

C4(1/2) hours

D11(3/17)hours

উত্তর : B.

3(9/17)hours

শেয়ার :

সম্পর্কিত প্রশ্ন সমূহ

১.

What will be the least number which when doubled with be exactly divisible by 12, 18, 21 and 30 ?

A630

B1260

C2520

D196

২.

A train 800 meters long is running at a speed of 78 km/hr . If it crosses a tunnel in 1 minute, then the length of the tunnel ( in meters ) is :

A360

B500

C540

D130

৩.

If 4 (A’s capital) = 6 (B’s capital), then out of a profit of TK. 4650, C will receive :

A900

B1550

C2250

D465

৪.

How many times in a day, are the hands of a cock in straight line but opposite in direction ?

A22

B24

C48

D20

৫.

Two numbers A and B are such that the sum of 5% of A and 4%of B is two-third of the sum of 6% of A and 8%of B. Find the ratio of A : B .

1 : 1

3 : 4

4 : 3

2 : 3

৬.

If the number 5 * 2 is divisible by 6, then * = ?

৭.

3 pumps , working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day ?

A10

B11

C12

৮.

Which of the following trains is the fastest ?

A25m/sec

B1500m/min

C90km/hr

DNone of these

৯.

A student was asked to find the arithmetic mean of the numbers 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14, and x. He found the mean to be 12. What should be the number in place of x ?

B17

C31

১০.

Find the smallest number by which 5808 should be multiplied so that the product becomes a perfect square .

C11