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If A + B means A is the father of B;

A x B means A is the brother of B;
A - B means A is the mother of B and
A / B means A is the sister of B,
which of the following relations shows that A is the grandfather of B?

[A]. A/B X C-D/E

[B]. A/E X C/B

[C]. A-B-C+D+E

[D]. A -C XB

Explain the logic too




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None of the above...

If A is the grandfather of B, then you should have  two  + symbols or  one + and one - symbol  in between  A and B ....

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