In each of the following question select the one which is different from other alternatives.

Options

A. (a) `49 - 100 `
B. (b) `81 - 144`
C. (c) `24 - 64 `
D. (d) `9 - 36`

Answer

C

Explanation

Except in the number pair `24 - 64,` in all other number paris both the numbrs are perfect squares.
`49 - 100 implies (7) ^(2)- (10) ^(2)`
`81 - 144 implies (9) ^(2) - (12) ^(2)`
`9- 36 implies (3) ^(2) - (6) ^(2)`