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Subject :IMO    Class : Class 8

If   , then the value of a is _______.

A4
B5
C6
D8


Ans 1:

Class : Class 8
Can someone please post the solution? I am not able to understand this question.

Ans 2:

Class : Class 9

Ans 3:

Class : Class 8
how?

Ans 4:

Class : Class 7

Ans 5:

Class : Class 8

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