Quantitative Aptitude - Arithmetic Ability Questions

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

If a = 3+23-2, b = 3-23+2 then a2+b2-ab ?

What is the value of [2 cot × (p – A)/2]/[1 + tan2× (2p – A)/2]?

Find equation of the perpendicular bisector of segment joining the points (2,­6) and (4,0)?

What is the equation of the line perpendicular to the line 5x + 3y = 6 and having Y-intercept -3?

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.

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