A woman is five times as old as her youngest daughter. How old is each now if the sum of their ages is 50?

The speed of a motor boat in still water is 60 kph. It goes 100 kilometers up the river and then comes 100 km back[..]

A motor boat travels at the rate of 50 kph down the river. If the current of the river is 5 kph, how far can it[..]

Two automobiles start out from two points 600 kilometers apart and travel toward each other. The automobile from the[..]

After allowing two succesive discounts of 15% and 5%,a fan is sold for rs 2907.what is the marked price of the fan?

What single discount will be equivalent to two successive discounts of 8% and 5%?

A wathch dealer pays 10% custom duty on a watch which costs rs 500 abroad.for how should much he mark it ,if he[..]

the national debt is approaching 6 x 10 to the 12th power dollars. How many hours would it take you to earn an[..]

The second of three numbers is 8 more then the first, and the third number is 3 less than 3 times the first. If the[..]

The sum of the square of all three sides of a right triangle equals 200. What is the length of the hypotenuse? The[..]