Find the next number in the series: 3,6,4,9,5,12,6 --

A man travels 4 miles north, 12 miles east, and then 12 miles north. How for ( to the nearest mile ) is he fro...

For a certain student, the average of five test scores is 83. If four of the scores are 81,79,85 and 90 . What...

If Marie has twice as much money as Curie has, who has three times as much money as Sunny as has, what is the...

A train went 300 miles from city X to city Y at an average speed of 80 miles per hours ( mph ). At what speed...

What is the minimum number of apples that must be added to the existing stock of 264 apples so that the total...

If 1/2 of the air in a tank is removed with each stroke of a vacuum pump, what fraction of the original amount...