Quantitative Aptitude - Arithmetic Ability Questions

If x = a + 1a, y = a - 1a ,(a>0), then the value of x4+y4-2x2y2 is

If x = 11, the value of x5 - 12x4 + 12x3 - 12x2 + 12x - 1 is

By which least number should 5000 be divided so that it becomes a perfect square?

The amount received at 10% per annum compound interest after 3 yrs is Rs 10,648. What was the principal (in Rs)?

ΔPQR is right angled at Q. If m∠R = 45°, then find the value of (tanP - 1/2).

Select the odd word/letters/number/number pair from the given alternatives.

The average revenues of 11 consecutive years of a company is Rs 77 lakhs. If the average of first 6 years is Rs 72 lakhs and that of last 6 years is Rs 84 lakhs, What is the revenue for the Sixth year.

Among three numbers, the first is twice the second and thrice the third, If the average of three numbers is 517, then what is the difference between the first and the third number?