Bangladesh Bank - Assistant Director - 2014

An express train travelled at an average speed of 100 km/hr, slopping for 3 minutes after every 75 km. How long did it take to reach its destination 600 km from the starting point ?

The difference of two numbers is 11 and one-fifth of their sum is 9. Find the numbers.

Two numbers are in the ratio of 15:11. If their H.C.F is 13, find the numbers.

How many digits will be there to the right of the decimal point in the product of 95.75 and 0.2554 ?

The value of 1001 ÷ 11 of 13 is :

The average of the two-digit numbers, which remain the same when the digits interchange their positions , is :

Tanya's grandfather was 8 times older to her 16 years ago . He would bi 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 ?

The total age of A and B is 12 years more than the total age of B and C. C is how many years younger than A ?

The simple interest on a sum of money will be TK. 600 after 10 years. If the principal is trebled after 5 years , what will be the total interest at the end of the tenth year ?

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

0.01 is what percent of 0.1 ?

Sixty-five percent of a number is 21 less than four-fifth of that number. What is the number ?

An article when sold at a gain of 5% yields TK. 15 more than when sold at a loss of 5% . Its cost price would be :

If 18 pumps can raise 2170 tonnes of water in 10 days , working 7 hours a day ; in how many days will 16 pumps raise 1736 tonnes of water , working 9 hours a day ?

To fill a tank , 25 buckets of water is required. How many buckets of water will be required to fill the same tank if the capacity of the bucket is educed to two-fifth of its present ?

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 ?

Tow workers A and B are engaged to do a work . A working alone takes 8 hours more to complete the job than if both worked together . If B worked along, he would need 4.5 hours more to complete the job than they both working together . What time would they take to do the work together ?

Two pipes A and B can fill a tank in 20 and 30 minutes respectively . If both the pipes are used together , then how long will it take to fill the tank ?

A sum of TK. 53 is divided among A, B, C is such a way that A gets TK. 7 more than what B gets and B gets TK. 8 more than what C gets. The ratio of their shares is :

Three partners A, B, C start a business . Twice A's capital is equal to thrice B's capital and B's capital is four times C's capital . Out of a total profit of TK. 16,500 at the end of the year , B's share is :