Mr. Rahim who is 28 years of age has a son who is 4 years old. In how many years will Mr. Rahim be 4 times as old as his son?

The price of a certain television set is discounted by 10 percent, and the reduced price is then discounted by...

If 40% of all women are voters and 52% of the population is woman, what percent of the population are women vo...

A certain sum of money consists of 30 coins, some of which are 10 paisa coins and the rest are 5 paisa coins....

A company makes a profit of 6% on its first Tk. 1,000 of sales each day and Tk. 55 per thousand on all sales i...

In a shipment of 120 machine parts, 5 percent were defective. In a shipment of 80 machine parts, 10 percent we...

A coat was sold for Tk 75. The coat was sold for 150% of the cost of the coat. How much did the coat cost?