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In the group G = { 1 , 2 , 3 ,4 , 5 , 6...

In the group G = { 1 , 2 , 3 ,4 , 5 , 6} under `ox _(7)` , the solution of `4 ox_(7) x` = 5 is

A

5

B

3

C

2

D

4

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The correct Answer is:
B
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