Quantitative Aptitude - Arithmetic Ability Questions

Find out 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.

If the amount received at 10% per annum Compound interest after 3 yrs is Rs 19965, then what will have been the principal (in Rs) amount?

α and β are the roots of quadratic equation. If α + β = 8 and α – β = 2√5, then which of the following equation will have roots α4 and β4?

In the following question, select the odd word pair from the given alternatives.

If the diameter of a hemisphere is 21 cm, then what is the volume (in cub.cm) of hemisphere?

If the sum of squares of three consecutive natural number is 2702. Then, what will be the middle number?

Average of 31 numbers is 19. If the average of first 8 numbers is 24, then what is the average of the remaining numbers?