Quantitative Aptitude - Arithmetic Ability Questions

If a-1a=1, then a2 + 1a2 ?

If "basis points" are defined so that 1 percent is equal to 100 basis points, then by how many basis points is 82.5 percent greater than 62.5 percent?

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

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

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

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

What is the value of Sin 30° + Cos 30°?

If x – 4y = 0 and x + 2y = 24, then what is the value of (2x + 3y)/(2x – 3y)?