Question

Read the following information carefully to answer the questions that follow.
(i) ${}^{\prime }P+Q^{\prime }$ means 'P is the father of Q'.
(ii) ${}^{\prime }P-Q^{\prime }$ means 'Q is the mother of P'
(iii) ${}^{\prime }P\times Q^{\prime }$ means 'P is the brother of Q'.
(iv) ${}^{\prime }P÷Q^{\prime }$ means 'P is the sister of Q'.
Which of the following means 'M is the son of K'?

• A. $M+L÷K$
• B. $L÷M+K$
• C. $M\times L÷K$
• D. $M\times L-K$
• E. None of these

Answer 1

The correct option is D $M\times L-K$

From option (4), $M\times L-K$

Clearly, M is the son of L's mother K.