The ration of male student of female students ina class is 13 t0 19. If there are 224 people in the class, including one teacher. One administrator and thirty evaluations. How many people in the class are male students?

5 years ago the ration of father's age to son's age was 5:1 and 2 years later father's age will be 3 times his...

What is the value of a If

A train 220 m long is moving at 45km/h. The time taken by the train to crosse tunned 260m long is-

A dog takes 3 leas for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ra...

Asad went to the market to buy 12 oranges. But he found that he had the money to buy only 10 oranges. He calcu...

The ratio of the cost of two articles is 7:3 . The first one was sold at a loss of 20% and the second one was...