A + B means A is father of B. A − B means A is son of B. A × B means A is…

2021

A + B means A is father of B. A − B means A is son of B. A × B means A is mother of B. A ÷ B means A is sister of B. Which of the following means N is grandson of Q?

  1. A.

    J ÷ N + M − Q

  2. B.

    N − M − Q

  3. C.

    Q + M + N ÷ J

  4. D.

    P + J ÷ N − M ÷ Q

Attempted by 47 students.

Show answer & explanation

Correct answer: B

N - M means N is son of M, and M - Q means M is son of Q. Therefore N is the son of Q's son, so N is Q's grandson.

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