How many pupils can be seated in a room with N single chairs and B double seated benches?

One-fourth of the students of a school play cricket and two-third of the rest play football. The remaining 400...

If a : b = 4 : 7 and b : c = 5 : 6, than a : b : c =?

There are 8 job applicants sitting, in waiting room, 4 women and 4 men. If two of the applicants are selected...

How many tiles each 1 foot square are necessary to form a 1 foot border around the inside of a room 24 feet by...

A triangle has a base x and an altitude y. A second triangle has a base twice the altitude of the first triang...

A 60-gallon tank is 60% full of water. If 50% of the water is poured in a 90-gallon tank, what percent of the...