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TGPSC Group-I 2024 · Question 133 of 144

A notation representing the blood relationships between two individuals A and B is given below : A + B means A is the mother of B. A – B means A is the brother 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 daughter of B. For the given four individuals P, Q, R and S, using the notation given above, which one of the following shows that P is the mother-in-law of S ?

Mental Ability

  1. AP – Q + R & S
  2. BP & Q + R @ S
  3. CP + Q @ R % SCorrect
  4. DP + Q – R @ S

Answer: C. P + Q @ R % S

Explanation

P + Q @ R % S: P is Q's mother, Q is R's father, R is S's daughter — so P is the mother-in-law of S.

Source: TGPSC Group-I Preliminary Test 2024 official question paper booklet (held 9 Jun 2024, TEST 224) with Preliminary Key (MASTER), via Adda247

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