Directions : Read the following information carefully and answer the question given below A + B means A is the daughter of B; A -B means A is the husband of B; A×B means A is the brother of B. If P + Q -R, which one of the following is true?
A
R is the mother of P
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B
R is the sister-in-law of P
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C
R is the aunt of P
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D
R is the mother-in-law of P
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Solution
The correct option is A R is the mother of P
P + Q ⇒⇒ P is daughter of Q. Q - R ⇒⇒ Q is husband of R. Represents this in diagrammatic form. We get, Then, R is mother of P.