If Marie has twice as much money as Curie has, who has three times as much money as Sunny as has, what is the ratio of the amount of money Sunny has to the amount of money Marie has ?

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...

K produces 100 parts twice as fast as G does. G produces 100 parts in 40 minutes. If each produces parts at a...

If 18 is 15 percent of 30 percent of a certain number , what is the number ?

Last year the sales of Store X in December was 4 times the average of the monthly sales totals for January thr...