A man deposits certain amount in his bank account. After a few days. he withdraws half of the money deposited and deposits Tk. 500 more. If he has a balance of Tk. 2000 in his bank account, find the amount deposited initially.

A worker earns Tk. 250 on the first day and spends tk. 200 on the second day, earns Tk. 250 on the third day a...

.In a group of 135 persons, 50% people contributed tk. 40 each, 30% contributed Tk. 60 each and the remaining...

The length of one side of a square inscribed in a circle is 2. What is the area of the circle?

If 4% of (P + Q) are 8 and P is a positive integer. What is the greatest possible value of Q?

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?