Quantitative Aptitude - Arithmetic Ability Questions

The first and last terms of an arithmetic progression are 32 and ­-43. If the sum of the series is ­-88, then it has how many terms?

Solution A contains 10% acid and solution B contains 30% acid. In what ratio should solution A be mixed with Solution B to obtain a mixture with 25% acid?

The difference between simple interest on a certain sum at the rate of 6% per annum for 5 years and 6 years is 25.8. What is the sum (in Rs)?

If sin3A = x, then value of x is

If (x+1/x) = 5, then the value of 5xx2+5x+1?

If x - y = 6 and xy = 40, then find x2 + y2 ?

What is the y – intercept of the linear equation 59x + 14y – 112 = 0?

If Rs. 10000 amounts to Rs. 11664 invested in compound interest(compounded annually) for two years then the annual rate of compound interest is