Income of A is 25% less than B. What percent B's income would be more than A?

If a rectangle's length and width are both doubled, by what percent is the rectangle's area increased?

A box contains 90 nuts each of 100 gm and 100 bolts each of 150 gm. If the entire box weighs 35.5 kg, then fin...

A wholesaler bought 1200 radios for Tk. 18 each. The wholesaler sold 60 percent of the radios for Tk. 30 each...

If a person walks at 14 km/hr instead of 10 km/hr, he can cover 20 km more. The actual distance travelled by h...

Eight people are planning to share equally the cost of a rental car. If one person withdraws from the arrangem...

Present age of Fariha is thrice the present age of Samira who is 20. How many years ago was the age of Fariha...