If an article was sold at 18% profit on cost price then the selling price of the article was TK. 9381 . What would have been the selling price of the article , if it was sold at 25% profit?

In each of these questions , two equations (I) and (II ) are given . You have to solve both the equations and...

A box contains 21 balls numbered 1 to 21 . A ball numbered 1 to 21 . A ball is drawn and then another ball is...

8 years ago, the ratio of A's age to B's age was 4 :5 At present the ratio of B's age and C's age is 4 : 5 At...

There is a group of 5 men , 6 women and 8 children . 1 man, 1 woman and one child are going to be selected to...

12 students working for 5 hours a day can solve a certain number of problems in 8 days. How many students are...

If the ratio of simple interest and principal is 8 : 25 and rate of interest is equal to the time invested the...