Hamed is 7 years older than his brother Shaquib, who is twice as old their younger sister Lopa. if Lopa is 15 years younger than Hamed, then how old is Shaquib?

There are 4 women and 4 men sitting in a waiting room for job interview. If two of the applicants are selected...

Which one of the following is the minimum value of the sum of two integers whose product is 36?

If the sum of three consecutive integers is less than 75, what is the greatest possible value of the smallest...

A 12 gallon tub has a faucet that lets water in at a rate of 3 gallons per minute, and has a drain that lets w...

A man rowed 3 miles upstream in 90 minutes. If the river flowed with a current of 2 miles per hour, how long d...

Two trains are running on parallel lines in the same direction at a speed of 50 km/hr and 30 km/hr respectivel...