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MCQ
In a code, P plus Q means P is brother of Q, P minus Q means P is sister of Q, P times Q means P is father of Q. What does P plus Q minus R mean?
Biology
A P is aunt of R
B P is uncle of R
C P is brother of R
D P is sister of R
Explanation

P is brother of Q and Q is sister of R, so P is uncle of R.

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