Quantitative Aptitude - Arithmetic Ability Questions

Of the 3 numbers whose average is 22, the first is 3/8th the sum of other 2. What is the first number?

What smallest number should be added to 2401 so that the sum is completely divisible by 14 ?

If angles of measure (5y + 62°) and (22° + y) are supplementary , then value of y is

Tapas, Avi and Rishi shared a cake. Tapa had 1/2 of it, Rishi had 1/3 of it, and Avi had the rest. What was Avi's share of the cake?

The area of the largest sphere ( in cm2) that can be drawn inside a square of side 18 cm is

If a + b = ­ 8 and a2 + b2 = 34, then value of ab is

A store sells a watch for a profit of 25% of the cost. Then the percentage of profit against selling price is

The difference between compound interest compoundedevery 6 months and simple interest after 2 years is 248.10.The rate of interest is 10 percent. Find the sum