3.003/2.002 = ?

If b < 2 and 2x - 3b = 0, which of the following must be true ?

What is the least integer that is a sum of three different primes each greater than 20 ?

A ferry, when empty, travels twice as fast as when it is full. It travels 20 miles south with a cargo, spends...

The average of five numbers is 25. After one if the numbers is removed, the average of the remaining is 31. Wh...

A bicycle has two wheels (one large and one small) of 120 cm and 40 cm in diameters. When the large wheel make...

An ambulance travels 10 miles at a speed of 75 mi,es per hour. How fast must the ambulance travel on the retur...