Discussion of Question with ID = 057 under Blood-Relations

This is the discussion forum for this question. If you find any mistakes in the solution, or if you have a better solution, then this is the right place to discuss. A healthy discussion helps all of us, so you are requested to be polite and soft, even if you disagree with the views of others. The question and its current solution has also been given on this page.

Advertisement

Question

If 'A + B' means that A is the mother of B, A ÷ B means that A is the brother of B, A × B means that A is the son of B, A − B means that A is the sister of B, which of the following means that C is the sister of D?

A

C − P ÷ D.

B

P + D ÷ C.

C

D × P − C.

D

D − C.

Soln.
Ans: a

C − P ÷ D, C − P means C is the sister of P.

P ÷ D means P is the brother of D.

Therefore, C is the sister of D.


Comments and Discussion