In the following question, select the odd number from the given alternatives:

Options

A. 253
B. 473
C. 143
D. 633

Answer

D

Explanation

Except the number 633, in all other numbers the sum of the first and third digitsis equal to the second digit.
`253 rArr 2 + 3 = 5`
`474 rArr 4 + 3= 7`
`143 rArr 1 + 3 = 4`
But, `636 rArr 6-3 3`