Jack takes 20 minutes to jog around the race course one time, and 25 minutes to jog around a second time. What is his av…

How many days are there in x weeks x days ?

Half percent, written as a decimal, is

Find the speed of the train, if a train 142 m long passes a pole in 6 seconds.

Mayur takes thrice as long to row a distance against the stream as to row the same distance in favor of the stream. The …

A sum of money placed at compound interest doubles itself in 4 years. In how many years will it amount to 8 times?

A clock loses 1% time during the first week and then gains 2% time during the next one week. If the clock was set right …

A runs 25% faster than B and is able to allow B a lead of 7 meters to end a race in dead heat. What is the length of the…