A + B' means 'A is the sister of B'.
'A - B' means 'A is the wife of B'. '
A × B' means 'A is the brother of B'.
'A ÷ B' means 'A is the father of B'.
If L + M + N - O ÷ P × Q, then which of the following statements is NOT correct?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. L is the daughter of N.
Given equation: If L + M + N - O ÷ P × Q
After decoding the codes we get that L is sister of M, M is sister of N, N is wife of O, O is father of P, and P is brother of Q.
The family tree:

Option (1): O is the father of Q - Correct.
Option (2): L is the daughter of N - Incorrect.
Option (3): P is the son of N - Correct.
Option (4): M is the sister of the wife of O - Correct.
Hence, the correct answer is option 2.