A collection of books went on sale and 2/3 of these were sold for Tk. 2.30 each. None of the 36 remaining books were sold. What was the total amount received for the books that were sold?

A gas tank that is 1/3 full requires 6 gallons to make it 5/6 full. What is its full capacity?

10 men survive 24 days on 15 cans of food. How many cans are needed for 8 men to survive 36 days?

Harun is twice as old as Jasim, who is three years older than Dina. If Harun's age is five times Dina's age, h...

How much interest will Tk. 2000 earn at an annul rate of 8% in one year if the interest is compounded every si...

If 3 is subtracted from a number, the result is 6 more than twice the number. The number is ---

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