Three of the following four number-pairs are alike in a certain way and one is different. Identify the different one.

Options

A. (a) ` 37 : 75`
B. (b) ` 29 : 59`
C. (c) ` 28 : 56`
D. (d) ` 26 : 53 `

Answer

C

Explanation

`37:75rarr37xx2+1=75,29:59rarr29xx2+1rarr29xx2+1=59,26:53rarr26xx2+1=53.`
But, `28xx2=56.`
So, C is correct.