What is the radius of the in-circle of the triangle whose sides measure 5 12 and 13 units?

A car averages 25 miles per gallon of gasoline when driven in the city and 40 miles per gallon when drives on...

Annie invested a certain sum of money in a bank that paid simple interest. The amount grew to Tk 240 at the en...

In how many ways can Annie, Bushra, Camelia, Don, Elina and Frazana be seated if Annie and Bushra cannot seate...

If the average of a and b is 45, and the average of b and c is 35, then (a-c)=?

Marium has n chocolates, where n is an integer such that 20

A group of 10 people plan to contribute equally to pay for a friend's gift that costs G dollars. If n addition...