RRB NTPC CBT I 4 Jan 2021 Shift 1 Paper

Question : 86 of 100

Marks: +1, -0

If 'A + B' means 'A is daughter of B', 'A - B' means 'A is wife of B', 'A × B' means 'A is the son of B', If P × Q - S then which of the following is true?