UP Police SI Exam 25 Nov 2021 Shift 3 Solved Paper

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Question : 138 of 160
 
Marks: +1, -0
Read the information carefully and answer the following question.
A+B means A is the Brother of B
A-B means A is the Sister of B
A*B means A is the mother of B
A/B means A is the father of B
In the given expression P*Q-R-S, how is P related to S?
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