A can write 75 pages in 25 hrs. A and B together can write 135 pages in 27 hrs. In what time can B write 42 pages?

Running 4/3 of his usual speed, a person improves his timing by 10 minutes. Find his usual time to cover the given distance.

A train travelling at 48 km/hr crosses an another train half of its length and travelling in opposite direction at 42 km/hr in 12 seconds. It also passes a railway platform in 45 seconds. The length of the railway platform Is

A pipe can fill a tank in x hours and an another can empty it in y hours. In how many hours will they together fill it. If y>x?

By selling 66 metres cloth, a man loses S.P. of 11 metres. What is the loss percent?

If ‘DEAN’ is written as ‘NOKX’ then ‘NEED’ is written as :

Which of the following words will be at third place in Dictionary ?

If ‘LEVEL’ is written as ‘MFWFM’ then how can we write ‘VELEL’?