Quantitative Aptitude - Arithmetic Ability Questions

Reflection of the point (4,-5) in the y-axis is

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

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given options.

Select the odd number from the given alternatives.

Select the odd word from the given alternatives.

Mr. Ibrahim borrowed Rs. 7500 at 5% per annum compound interest. The compound interest compounded annually for 2 years is

If a3+1a3 = 2, then the value of a2+1a?

If cotθ = 4, then the value of 5sinθ+3cosθ5sinθ-3cosθ is