Question

$\underline{ \underline{ \pink{ \bf{question \: on \: blood \: relationship : }}}}$
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●If A + B means A is the mother of B;
●A – B means A is the brother B;
●A % B means A is the father of B and
●A x B means A is the sister of B,

then,

■ which of the following shows that P is the maternal uncle of Q?

A) Q – N + M x P
B) P + S x N – Q
C) P – M + N x Q
D) Q – S % P

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Answer 1

Answer:

$(C) \ P-M+N×Q$

Given:

• $A + B \implies A \ is \ mother \ of \ B$
• $A - b \implies A \ is \ brother \ of \ B$
• $A \% B \implies A \ is \ father \ of \ B$
• $A × B \implies A \ is \ sister \ of \ B$

Explanation :

Solving for (c):

$\implies P - M+ N × Q$

Its easier to solve from Q for me , if you wish start from P answer will be same.

• $N × Q \\ \implies N \ is \ sister \ of Q$

Conclusion 1 :

This means that N and Q are siblings

• $M + N \\ \implies M \ is \ the \ mother \ of N$

Conclusion 2 :

This means that M is mother of N and Q

• $P - M \\ \implies P \ is \ the \ brother \ of \ M$

Conclusion 3 :

This means that P is the brother of M

From all the conclusions , we can conclude that P is the maternal uncle of Q

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