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In coded relation type questions, the relationships are represented by certain codes or symbols such as + , - , ÷ , × , * etc. Then relationships between certain persons, given in the form of these codes, are to be analysed.

Coded Relations , Blood Relations

P + Q means P is the brother of Q; P - Q means P is the mother of Q and P * Q means P is the sister of Q. Which of the following means M is the maternal uncle of R ?
Option :
A. M + K + R
B. M - R + K
C. M + K - R
D. M + K * R
E. None of these

If A + B means A is the brother of B; A / B means A is the father of B and A * B means A is the sister of B, which of the following means M is the uncle of P ?
Option :
A. N * P / M
B. M + S / R / P
C. M / N * P
D. M + K / T * P
E. None of these

P x Q means P is the sister of Q ;
P + Q means P is the father of Q ;
P - Q means P is the mother of Q.
Which of the following means S is the aunt of T ?

Option :
A. T x M + S
B. S + T x M
C. S x M + T
D. S x M + R - T
E. None of these

If A + B means A is the son of B ;
A - B means A is the husband of B ;
A x B means A is the sister of B,
then which of the following shows the relation Q is the maternal uncle of P ?

Option :
A. P + B - R x Q
B. P - B + R x Q
C. P + B x R -Q
D. P x B - R + Q
E. None of these

If A + B means A is the mother of B ;
A / B means A is the brother of B ;
A x B means A is the son of B  and
A - B means A is the daughter of B,
which of the following means C is the niece of D ?

Option :
A. D - C
B. D x P - C
C. C - P / D
D. P + D / C
E. D - P / C