A worker earns Tk. 250 on the first day and spends tk. 200 on the second day, earns Tk. 250 on the third day and again spends Tk. 200 on the fourth day and so no. On which day would he have had Tk. 1000?

.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?

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...