Quantitative Aptitude - Arithmetic Ability Questions

A retirement benefit of $12,000 is to be paid every 6 months for 25 years at interest rate of 7% compounded semi-annually. Find

(a) the present value to fund the end-of-period retirement benefit.

(b) the end-of-period semi-annual payment needed to accumulate  the value in part (a) assuming regular investments for 30 years in an account yielding 8% compounded semi-annually

21% of 500 + 31% of 1100 - 30% of 790 = ? 

If 30% of 40% of X is 240, then what is the value of X?

In an election between two candidates, the winning candidate has got 70% of the votes polled and has won by 15400 votes. What is the number of votes polled for loosing candidate?

When a number is divided by 138 the remainder is 26. What will be the remainder if the same number is divided by 23 ?

If a3+ b3 = 341 and ab = 30, then what is the value of a + b?

You put $750 into a certificate of deposit. Your simple annual interest rate is 4%. You receive a check for the interest at the end of each year. How long will it take to earn $150 in interest?

A slice from a circular pizza of diameter 14 inches is cut in asuch a way that each slice of pizza has a central angle of 45°. What is the area of each slice of Pizza(in square inches)?