Quantitative Aptitude - Arithmetic Ability Questions

The mean of a distribution is 21 and the standard deviation is 7. What is the value of the coefficient variation?

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

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

Which of the following numbers is divisible by 12?

A line cuts the x­axis at the point (­3,0) and the y­axis at the point (0,6). What is the equation of the line?

By selling a used phone for Rs.6,160 Rajan got 44% less than what it cost him to buy it a few years ago. At what price should Rajan have been able to sell it to make a profit of 5%?