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Question

If P ÷ Q means that P is the mother of Q, P – Q means that P is the father of Q, P × Q means that P is the sister of Q, then which of the following expression shows that B is the daughter of A?

This question was previously asked in
SSC CGL 2022 Tier-II (Paper 2 JSO) Previous Year Paper (04-Mar-2023)
The correct answer is

A – B ÷ C

  • Understanding Family Symbols: Initially, we must understand the meaning of each symbol provided in the question for family relationships:
    • P ÷ Q signifies that P is the mother of Q.
    • P – Q signifies that P is the father of Q.
    • P × Q signifies that P is the sister of Q.
    It's important to note that the symbols ÷ (mother) and × (sister) indicate the first person (P) is female. The symbol (father) indicates the first person (P) is male.
  • Objective: Identifying B as Daughter of A Our main goal is to find the specific expression among the options where B is the daughter of A. This means A must be the parent of B, and B must be female.

Expression Analysis for Daughter Relationship

Let's examine each option to see which one satisfies the condition that B is the daughter of A:
  • Option 1: B – A ÷ C
    • B – A translates to: B is the father of A.
    • A ÷ C translates to: A is the mother of C.
    This sequence shows B as the father of A. The question requires B to be the daughter of A. Thus, this option is incorrect.
  • Option 2: A – B ÷ C
    • A – B translates to: A is the father of B. This means A is the parent of B.
    • B ÷ C translates to: B is the mother of C. The role of 'mother' explicitly tells us that B is female.
    Combining these points: A is the father of B, and B is female. This directly means that B is the daughter of A. This option matches the required condition.
  • Option 3: A – B - C
    • A – B translates to: A is the father of B.
    • B - C translates to: B is the father of C.
    Here, A is the father of B. However, B is described as the father of C, implying B is male. Therefore, B is the son of A, not the daughter. This option is incorrect.
  • Option 4: C ÷ B – A
    • C ÷ B translates to: C is the mother of B.
    • B – A translates to: B is the father of A.
    This expression indicates that B is the father of A. The condition is that B must be the daughter of A. Since B is shown as a father (male), this option cannot be correct.

Final Check for Daughter Relationship

The expression A – B ÷ C is the correct choice because it accurately establishes the required family link:
  • The segment A – B defines A as the father of B.
  • The segment B ÷ C defines B as the mother of C, confirming B's gender as female.
Consequently, A being the father of a female B perfectly fits the condition that B is the daughter of A.
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Similar Questions

  1. If S - T means that S is the mother of T, S × T means that S is the father of T, S + T means that S is the sister of T, then which of the following expression shows that P is the mother of R?

  2. If A × B means that A is the father of B, A ÷ B means that A is the mother of B, A + B means that A is the brother of B then which of the following expression shows that P is the paternal grandmother of R?

  3. 'P @ Q' means 'P is the wife of Q'.

    'P # Q' means 'P is the brother of Q'.

    'P $ Q' means 'P is the father of Q'.

    'P - Q' means 'P is the daughter of Q'.

    If Z - B $ D $ G, then how is Z related to G?

  4. ‘A @ B’ means ‘A is the husband of B’.

    ‘A & B’ means ‘A is the father of B’.

    ‘A # B’ means ‘B is the son of A’.

    If F & G @ H # I @ J, then how is G related to J?

  5. 'A + B' means 'A is the son of B'.

    'A - B' means 'A is the wife of B'.

    'A × B' means 'A is the father of B'.

    'A ÷ B' means 'A is the sister of B'.

    If A + P - Q × R - S, then which of the following statements is NOT correct?

  6. If,

    'B % D' means 'B is brother of D',

    'B & D' means 'B is the mother of D',

    'B × D' means 'B is the husband of D',

    'B # D' means 'B is sister of D',

    'B $ D' means 'B is the son of D',

    'B @ D' means 'B is the father of D',

    So how is A related to E in the given expression?

    A % D $ F # B % E × S

  7. A% B means 'A is the daughter of B'

    A = B means 'A is the sister of B'

    A $ B means 'A is the father of B'

    If E = F = G $ H = I, then how is G related to E?

  8. A - B means ‘A is the mother of B’

    A * B means ‘A is the husband of B’

    A % B means ‘A is the brother of B’

    A $ B means ‘A is the sister of B’

    If I * J - K % L $ M * N, then how is I related to N?

  9. A # B means ‘A is the sister of B’.

    A @ B means ‘A is the son of B’.

    A & B means ‘A is the father of B’.

    A % B means ‘A is the mother of B’.

    If W @ Q % T & Y @ M % K, then how is W related to K?

  10. A # B means ‘A is the brother of B’

    A @ B means ‘A is the son of B’

    A & B means ‘A is the wife of B’

    A % B means ‘A is the mother of B’

    If A % B & C # D @ E, then how is B related to E?


Important Questions from Coded Blood Relation Problems

  1. If A @ B means A is the son of B, A # B means A is the husband of B and A * B means A is the daughter of B, then what does P @ Q * R # S mean? 

  2. If P $ Q means P is the husband of Q; P ! Q means P is the mother Q and P * Q means P is the daughter of Q, which of the following shows that Z is brother of W's wife, if Z is male?

  3. If P $ Q means P is the brother of Q; P ! Q means P is the mother Q and P * Q means P is the son of Q, which of the following shows that W is brother of Z?

  4. Read the following information carefully and answer the question given below:

    M * N means ‘ M is the sister of N’

    M % N means ‘ M is the father of N’

    M # N means ‘M is the mother of N’

    Which of the following option gives that, M is father of R?

  5. If ‘A + B’ means ‘A is the mother of B’, ‘A - B’ means ‘A is the father of B’, ‘A × B’ means ‘A is the brother of B’, ‘A & B’ means ‘A is the son of B’, then how is M related to K in the expression ‘N − M + T × L & G & K’?

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