Your doctor gives you pills to take one for every half hour. How long does it require to take all the pills ?

A is the widow of B. B & C were the only children of E. C is unmarried and is a doctor. D is the grand-daughte...

If a and b are positive integers and a-b/3.5 = 4/7 , then

If the operation ^ is defined by the equation x ^ y = 2x + y, what is the value of a in 2 ^ a = a ^ 3 ?

Which of the following fractions has the smallest value ?

If the sum of the 3 consecutive integers is 240, then the sum of the two larger integers is :

Tom, Dick and Harry went for lunch to a restaurant. Tom had $100 with him , Dick had $60 and Harry had $40. Th...