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Question

In a certain code language, 
'X + Y' means 'X is the mother of Y'. 
'X * Y' means 'X is the father of Y', 
'X - Y' means 'X is the daughter of Y', 
'X% Y' means 'X is the wife of Y'. 
Based on the above, how is A related to D if 'A-B* C + D'?

This question was previously asked in
SSC Selection Post 2024 Question Paper (26-Jun-2024) (Shift-4)
The correct answer is
Mother's sister

Understanding the Relationship Codes

First, let's understand the meaning of each symbol given in the code language:

  • \text{X + Y} means X is the mother of Y.
  • \text{X * Y} means X is the father of Y.
  • \text{X - Y} means X is the daughter of Y.
  • \text{X % Y} means X is the wife of Y.

Analyzing the Expression: A - B * C + D

We need to determine the relationship between A and D based on the expression A - B * C + D. Let's break it down step by step:

Step 1: Decode C + D

According to the code, C + D means 'C is the mother of D'.

Relationship: C is the mother of D.

Step 2: Decode B * C

According to the code, B * C means 'B is the father of C'.

Relationship: B is the father of C.

Step 3: Combine B * C + D

From Step 1, C is the mother of D.

From Step 2, B is the father of C.

Combining these, B is the father of C, and C is the mother of D. This means B is the maternal grandfather of D.

Step 4: Decode A - B

According to the code, A - B means 'A is the daughter of B'.

Relationship: A is the daughter of B. This also tells us A is female.

Step 5: Determine the Final Relationship between A and D

From Step 4, we know A is the daughter of B.

From Step 2, we know B is the father of C.

Since A and C share the same father (B) and A is female, A must be the sister of C.

From Step 1, we know C is the mother of D.

Therefore, A is the sister of C, and C is the mother of D. This makes A the sister of D's mother.

Conclusion: A is the Mother's sister of D (maternal aunt).

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Similar Questions

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    'A @ B' means 'A is the daughter of B'.

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    If V & R @ F % H # T @ M, then how is R related to M?

  2. ‘P @ Q’ means ‘P is the mother of Q’

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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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