P is now 8 years older than Q. 17 years ago P was twice as old as Q. How old will Q be in 10 years ?

Salim gets grades of 79, 83, 86 and 89 on four math tests . What grade must he get on his fifth test to averag...

A man deposits TK. 600 in a Bank at 10% interest rate compounded annually . At the end of the second year, wha...

35% of Buri's income is equal to 25% Nuru's income. The ratio of their income is :

In a class the ratio of boys and girls was 7 to 3. If there were 210 girls in the class, what was the number o...

A fair coin is thrown in the air four times. If the coin lands with the head up on the first three tosses, wha...

In a class of 50 students , 18 take music, 26 take art , and 2 take both art and music . How many students in...