Out of a group of 80 applicants for a public service examination, 20 persons failed to appear for the first part of the test. What percent of the total applicants appeared for this part of the test?

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...

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...