engineering intelligence MCQ #394

In a certain code, 'A + B' means 'A is the mother of B'. 'A - B' means 'A is the father of B'. 'A * B' means 'A is the sister of B'. 'A / B' means 'A is the brother of B'. If 'P + Q - R', then?

engineering intelligence MCQ #394

  1. Question 1

    Q1. In a certain code, 'A + B' means 'A is the mother of B'. 'A - B' means 'A is the father of B'. 'A * B' means 'A is the sister of B'. 'A / B' means 'A is the brother of B'. If 'P + Q - R', then?

    • A) P is the grandmother of R
    • B) P is the grandfather of R
    • C) P is the mother of R
    • D) P is the grandmother of R's father

    Answer: P is the grandmother of R

    Explanation: P is the mother of Q and Q is the father of R, so P is the grandmother of R.