Direction: In each of the following questions, five/four number are given. Out of these four/three are like in a certain way but one is different. Choose the one which is different from the rest four/three.
- 
					 NA
 
- 
                        
- 527
 - 639
 - 246
 - 356
 
 
Correct Option: D
In all other numbers, the sum of the first two digits is equal to the third digit.