A rope 40 feet long is cut into two pieces. If one piece is 18 feet longer than the other, what is the length, in feet, of the shorter piece?
How much money would a man have to invest at the rate of 5% per year, to have Tk. 1470 at the end of the year?
During a certain chess tournament, each of six players will play with every other player exactly once. Then, how many different matches will be played during the tournament?
If 77:28:: 55: x, find the value of x.
The length of a rectangle is increased by 20% and width is decreased by 10%. What is the change of area in percentage?
2b - (86 + 88) which value of b will be the closest to 0 for the question?