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Subject :IMO    Class : Class 5

Select the odd one out.
(a) 53685
(b) 45684
(c) 37683
(d) 94319


please explain

Ans 1:

Class : Class 5

Ans 2:

Class : Class 6
b is even number but all other 3 are odd numbers so ans should be b

Ans 3:

Class : Class 6
B

Ans 4:

Class : Class 7
c and d as solution is given of adding digits☺🤔

Ans 5:

Class : Class 4
it can be option B but there is an other formula. Add all the digits of all the 4 options. Option A,B,C would be 27 but option D would be 26. That makes the difference between option A,B,C with D. So the answer is option D.

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