‘A # B’ means ‘A is the husband of B’. ‘A @ B’ means ‘A is the daughter of B’. ‘A & B’ means ‘A is the sister of B’. If P & Q @ D # K @ S # T, then which of the following statements is NOT correct?
D is the daughter-in-law of T.
Analyzing Blood Relations Questions
This question involves understanding blood relations based on coded language. We are given a set of codes representing specific relationships, and an expression using these codes. Our task is to decode the expression and then evaluate the given statements to find the one that is NOT correct.
Decoding the Relationships
Let's break down the meaning of each code provided:
- ‘A # B’ means ‘A is the husband of B’. This implies B is the wife of A.
- ‘A @ B’ means ‘A is the daughter of B’. This implies B is the parent of A.
- ‘A & B’ means ‘A is the sister of B’. This implies A and B are siblings and have the same parents.
Building the Family Tree from the Expression
The given expression is: P & Q @ D # K @ S # T
Let's decode it segment by segment from left to right:
- P & Q: P is the sister of Q. (P and Q are siblings). Gender of P is female.
- Q @ D: Q is the daughter of D. (D is a parent of Q). Since P is Q's sister, D is also a parent of P. Gender of Q is female.
- D # K: D is the husband of K. (K is the wife of D). D is male, K is female. This confirms D is the father of Q (and P), and K is the mother of Q (and P).
- K @ S: K is the daughter of S. (S is a parent of K).
- S # T: S is the husband of T. (T is the wife of S). S is male, T is female. This confirms S is the father of K, and T is the mother of K.
Based on this decoding, we can summarize the relationships:
- S is the husband of T. T is the wife of S.
- K is the daughter of S and T. S is the father of K, T is the mother of K.
- D is the husband of K. K is the wife of D. D is the son-in-law of S and T. K is the daughter-in-law of S and T.
- Q is the daughter of D and K. D is the father of Q, K is the mother of Q.
- P is the sister of Q. P is also the daughter of D and K.
Let's visualize this structure:
| Generation 1 | T (-) | -- Wife/Husband -- | S (+) |
| ↓ Daughter | ↓ Daughter | ||
| Generation 2 | K (-) | -- Wife/Husband -- | D (+) |
| ↓ Daughter | ↓ Daughter | ||
| Generation 3 | Q (-) | -- Sister -- | P (-) |
Here, (+) denotes male and (-) denotes female.
Evaluating the Statements
Now let's examine each given statement based on our family tree:
-
D is the daughter-in-law of T.
From our analysis, D is the husband of K. K is the daughter of T. Therefore, D is the husband of T's daughter, making D the son-in-law of T. This statement says D is the daughter-in-law of T, which is incorrect.
-
P is the daughter of K.
Q is the daughter of K, and P is the sister of Q. Siblings share the same parents. Therefore, P is also the daughter of K. This statement is correct.
-
S is the maternal grandfather of Q.
Q's mother is K. S is the father of K. The father of one's mother is the maternal grandfather. So, S is the maternal grandfather of Q. This statement is correct.
-
T is the mother of K.
S is the husband of T, and S is the father of K. If S is the father and T is his wife, then T must be the mother of K. This statement is correct.
The question asks for the statement that is NOT correct. Based on our evaluation, the statement "D is the daughter-in-law of T" is incorrect.
Conclusion on Blood Relations
By carefully decoding the given relationships and constructing the family tree, we were able to verify each statement. The statement that does not align with the decoded relationships is the one claiming D is the daughter-in-law of T.
Revision Table: Coded Relationships Summary
| Code | Meaning | Example (A & B) |
|---|---|---|
| # | Husband of | A is husband of B |
| @ | Daughter of | A is daughter of B |
| & | Sister of | A is sister of B |
Additional Information: Solving Blood Relations Problems
Solving blood relations problems effectively often involves creating a visual representation like a family tree or diagram. Here are some tips:
- Read the codes carefully and understand the exact relationship and direction (e.g., A is B's something vs. B is A's something).
- Break down the expression segment by segment.
- Determine the gender of each person whenever possible from the relationship codes.
- Draw a clear diagram. Use symbols for gender (like + for male, - for female) and lines/arrows to indicate relationships and generations.
- Verify each option statement against your constructed family tree.
- Pay close attention to what the question is asking (e.g., Which statement is TRUE? Which is FALSE? Who is related to whom in what way?).
Practicing different types of blood relations questions will help improve your speed and accuracy in competitive exams.
Similar Questions
'A + B' means 'A is the son of B'
'A - B' means 'A is the husband of B'
'A × B' means 'A is the wife of B'
'A ÷ B' means 'A is the brother of B'
Hence, if we consider K ÷ Q × M + R × D + H - L, then how is L related to M?
'A # B' means 'A is the sister 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 son of B'
Which of the following expressions means 'U is the mother of D' ?
‘A + B’ means ‘A is the son of B’
‘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’
If ‘F × G ÷ K − M + S × W’, then which of the following statements is NOT correct?
‘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 brother of B’
If ‘C + M – S × K − P ÷ T’, then which of the following statements is NOT correct?
‘A + B' means 'A is the brother of B'
'A - B' means 'A is the mother of B'
'A × B' means 'A is the husband of B'
'A ÷ B' means 'A is the sister of B'
'A # B' means 'A is the daughter-in-law of B'
If 'C - M + S + K × R # T', then which of the following statements is not correct?
'A + B' means 'A is the mother of B'
'A - B' means 'A is the husband of B'
'A × B' means 'A is the father of B'
'A ÷ B' means 'A is the daughter of B'
Hence, if we consider S + Z - R ÷ H - P + U × M, then which of the following is NOT correct?
'A @ B' means ' A is the husband of B'
'A & B' means 'A is the mother of B'
'A # B' means 'A is the wife of B'
Which of the following option would mean 'P is the father-in-law of S'?
If 'A # B' means 'A is the sister of B' and 'A % B' means 'A is the mother of B', then which of the following expressions would mean:
P is Q's mother's sister?
‘F + R’ means ‘F is the mother of R’
‘F – R’ means ‘F is the father of R’
‘F ÷ R’ means ‘F is the husband of R’
‘F × R’ means ‘F is the daughter of R’
If ‘A ÷ C × B + Q – Z’, how is Q related to A?
‘A + B’ means ‘A is the brother of B’
‘A – B’ means ‘A is the mother of B’
‘A × B’ means ‘A is the husband of B’
‘A ÷ B’ means ‘A is the sister of B’
If ‘C + M – S × K – T ÷ Q’, then which of the following statements is NOT correct?
Important Questions from Coded Blood Relation Problems
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?
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?
A # B means ‘A is the father of B’.
A @ B means ‘A is the son of B’.
A & B means ‘A is the sister of B’.
A % B means ‘A is the wife of B’.
If W # Q @ T & Y @ M % K, then how is K related to W?
If 'A % B' means A is the father of B, 'A * B' means A is the mother of B, 'A @ B' means A is the wife of B, then Which of the following means that X is the grandmother of Y?
In a certain code language,
'A - B' means 'A is father of B'
'A + B' means 'A is mother of B'
'A × B' means 'A is husband of B', and
'A ÷ B' means 'A is the son of B'.
If 'U ÷ Q ÷ P - R × S + T × V', then how is U related to V?
