Quantitative Aptitude - Arithmetic Ability Questions

If 1/√(cosec2A - 1) = x, then value of x is

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

The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 5% per annum is Rs 45. The sum is

Point Q(-2,b) is the midpoint of segment EF. Co-ordinates of E are (-7,-6) and F are (a,0). What is the value of a and b?

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

If 3a – (3/a) – 3 = 0, then what is the value of a3 – (1/a3) + 2?

Find the products : 0.5 x 0.05 x 0.005 x 500

The ratio of two numbers is 6 : 11 and their difference is 65. What will be the smaller number among both the numbers?