Quantitative Aptitude - Arithmetic Ability Questions

A sum of money invested at simple interest becomes 13/10 of itself in 2 years and 6 months. What is the rate (in percentage) of interest per annum?

Find equation of the perpendicular to segment joining the points A(0,4) and B(-5,9) and passing through the point P. Point P divides segment AB in the ratio 2:3.

Which of the following numbers is divisible by 12?

The mean of a distribution is 18 and the standard deviation is 4.5. What is the value of the coefficient of variation?

Select the odd number from the given alternatives.

If 1/(1 + cosA) + 1/(1 ­- cosA) = x , then value of x is

Find out the odd word/letters/number/number pair from the given alternatives.

What value of 'p' will satisfy the equation p540 = 240p ?