SSC CPO 1 July 2017 Shift 2 Paper

Question : 20 of 200

Marks: +1, -0

If 'A + B' means 'A is father of B', 'A – B' means 'A is mother of B', 'A * B' means 'A is brother of B' and 'A % B' means 'A is sister of B', then how is Q related to S in 'P + Q * R – S'?