Quantitative Aptitude - Arithmetic Ability Questions

If a4 + 1 = [a2 /b2 ] (4b2 – b4 – 1), then what is the value of a4 + b4?

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

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

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

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

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 alternatives.

What least number must be added to 4131, so that the sum is completely divisible by 19?

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?