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

Options

A. `121 - 196`
B. `144 - 225 `
C. `36 - 83 `
D. `16 - 49`

Answer

C

Explanation

`121 = 11 xx 11`
`196 = (11 + 3 ) ^(2) = (14) ^(2)`
`144 = 12 xx 12`
`225 = (12+ 3) ^(2) = (15) ^(2)`
`16 = 4 xx 4`
`49 = ( 4 + 3) ^(2) = (7)^(2)`
`36 = 6 xx 6`
`(6 + 3) ^(2) = (9) ^(2) = 81 `