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Subject :IMO    Class : Class 5

Choose the odd one out.

A15
B21
C24
D28


Ans 1:

Class : Class 7
answer can be A too

Ans 2:

Class : Class 6
Answer is 28 because rest all are multiple of 3 except 28

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5
The answer can be both

Ans 5:

Class : Class 6

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