Quantitative Aptitude - Arithmetic Ability Questions

Δ DEF is right angled at E. If m∠D = 45%., then Cosec F =

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

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

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.

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

Find two numbers such that their mean proportion is 12 and third proportion is 768.

What is the value of √[(1 - sinA)/(1 + sinA)]?