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Directions : Read the information carefully and answer the following questions:
If A + B means A is the father of B.
If A × B means A is the sister of B.
If A $ B means A is the wife of B.
If A % B means A is the mother of B.
If A ÷ B means A is the son of B.
Question 1: What should come in place of question mark to establish that J is brother of T in the expression ?
J ÷ P % H ? T % L
a) ×
b) ÷
c) $
d) Either ÷ or ×
e) Either + or ÷
Question 2: Which of the given expressions indicates that M is daughter of D?
a) L % R $ D + T × M
b) L + R $ D + M × T
c) L % R % D + T ÷ M
d) D + L $ R + M × T
e) L $ D ÷ R % M ÷ T
Question 3: Which of the following options is true if the expression ‘I + T % J × L ÷ K’ is definitely true?
a) L is daughter of T
b) K is son-in-law of I
c) I is grandmother of L
d) T is father of J
e) J is brother of L
Question 4: Which of the following expressions is true if Y is son of X is definitely false?
a) W % L × T × Y ÷ X
b) W + L × T × Y ÷ X
c) X + L × T × Y ÷ W
d) W $ X + L + Y + T
e) W % X + T × Y ÷ L
Question 5: What should come in place of question mark to establish that T is sister-in-law of Q in the expression. R % T × P ? Q + V
a) ÷
b) %
c) ×
d) $
e) Either $ or ×
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Instructions: Read the following information carefully and answer the questions which follow-
If ‘p$ \bigstar$ Q’ means ‘p is the mother of Q’
If ‘p$ \times$ Q’ means ‘p is the father of Q’
If ‘p+ Q ‘P is the sister of Q’
If ‘p-Q’ means ‘p is the brother of Q’
If ‘P$\geq$Q’ means ‘p is the son of Q’
If ‘p$\leq$Q’ means ‘p is the daughter of Q’
Question 6: In the expression ‘A $\times$ B + R $\geq$ S’ how is s related to A ?
a) Daughter-in-law
b) Daughter
c) Wife
d) Sister
e) Cannot be determined
Question 7: In the expression ‘W $\geq$ X $\leq$ Y $\bigstar$ Z’ how is W related to Z ?
a) Nephew
b) Uncle
c) Son
d) Brother-in-law
e) None of these
Question 8: Which of the following means p is the father of S ?
a) p$\times$ Q $\leq$ R $\bigstar$ S
b) R$\times$ P $\leq$ Q-S
c) R+ S$\geq$ Q + P
d) S+Q-R $\bigstar$ P
Question 9: Which of the following means D is the aunt of C ?
a) D$\geq$ B $\bigstar$ A $\bigstar$ C
b) D+B¬-C$\bigstar$A
c) D-B-A$\times$C
d) D+B$\times$A$\times$C
e) None of these
Instructions: Read the following information carefully and answer the questions which follow-
If ‘A $\bigstar$Z’ means ‘A is the wife of Z’
If ‘A $\times$Z’ means ‘A is the husband of Z’
If ‘A+Z’ means ‘A is the sister of Z’
If ‘A¬Z’ means ‘A is the brother of Z’
If ‘A$\geq$Z’ is the son of Z’
If ‘A$\leq$Z’ is the daughter of Z’
Question 10: Which of the following relations will not be true if the expression $’A\leq P \times T + F \geq L \times M’$
a) A is the daughter of T
b) F is the son of M
c) P is the son¬in¬law of L
d) A is the cousin of F
e) M is the grandmother of A
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Question 11: Which of the following means N is the daughter-in-law of A ?
a) $ M + N \bigstar P \geq A$
b) $ N \leq M \times P+A$
c) $ M \leq N \times P \leq A$
d) $ A \times P + N \times M$
e) $A \leq N \leq \bigstar M $
Question 12: How is p related to F if ‘ $Q \times P\leq B + F $ ?
a) Daughter
b) Niece
c) Daughter¬in¬law
d) Grand daughter
e) Aunt
Question 13: Which of the following means P is the father of R ?
a) $R \geq S \leq P \bigstar J$
b) $J+R$ ¬ $S\leq P$
c) $R \geq S \bigstar P$ ¬ $J$
d) $S+J \times R \leq P$
e) None of these
Question 14: How is M related to B if A $ \bigstar B\geq Z \times S + M ‘ ? $
a) Aunt
b) Grandfather
c) Uncle
d) Cousin
e) Cannot be determined
Instructions: Read the information carefully and answer the following questions:
If A + B means A is the father of B
If A x B means A is the sister of B
If A $ B means A is the wife of B
If A % B means A is the mother of B
If A \div B means A is the son of B
Question 15: What should come in place of the question mark, to establish that J is the brother of T in the expression?
J \div P % H ? T % L
a) x
b) $\div$
c) $
d) Either $\div$ or x
e) Either + or $\div$
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Answers & Solutions:
1) Answer (A)
J ÷ P % H ? T % L
=> T is the mother of L and J is the brother of H
Now, for J to be brother of T, H must be either sister or brother of T.
=> ‘x’ is the correct symbol here.
2) Answer (B)
In option B, D + M is given, which implies that D is the father of M.
Now, if M is a girl, then it can be established that M is the daughter of M.
M x T => M is a sister of T => M is a girl
Hence option B is correct.
3) Answer (B)
I + T % J × L ÷ K
L ÷ K => L is the son of K
J × L ÷ K => J is the daughter of K
T % J × L ÷ K => T is the wife of K
I + T % J × L ÷ K => I is the father-in-law of K
Hence B is the correct answer
4) Answer (D)
Given that Y is not a son of X.
In option A and B, Y ÷ X is given, which is wrong. Hence A and B are eliminated.
In option C, X + L x T x Y is given => X is father of Y, which is wrong. Hence C is eliminated.
Similarly E can also be eliminated.
Hence, D is the answer
5) Answer (D)
T × P ? Q
Here, T is the sister of P. So for T to be sister-in-law of Q, P must be Q’s wife. Hence the correct symbol is ‘$’.
6) Answer (C)
In, order to tackle this question, we intrepret the equation in reverse manner.
Now, $R \geq$ S means S is father of R.
B+R means R is sister of B which means S is also father of B.
Now, AxB means B is son of A, but then B is also son of A.
Hence, A is wife of S.
Hence, option is C.
7) Answer (A)
W $\geq$ X means W is son of X.
X $\leq$ Y means X is daughter of Y.
Y $\bigstar$ Z means Y is mother of Z which means X and Z are siblings. Also, W is son of X which means Z is uncle/aunt of W and W is nephew of Z.
Hence, correct option is A.
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8) Answer (A)
p$\times$ Q $\leq$ R $\bigstar$ S
Now, R $\bigstar$ S means S is son/daughter of R.
Q $\leq$ R means R is father or mother of Q. hence, S and Q are siblings.
p$\times$ Q means Q is son\daughter of P. S is son/daughter of P as S and Q are siblings. Hence S is parent to P.
Hence, the correct option is A.
9) Answer (E)
None of the options establish a relation of C being nephew of D or D being aunt of C.
Hence, none of the option is correct.
The correct option in this case is E.
10) Answer (D)
the expression $’A\leq P \times T + F \geq L \times M’$ is intrepreted as A is daughter of P, P is husband of T, T is sister of F. Hence, T is mother of A and A is niece of T.
Therefore, correct option is D.
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11) Answer (A)
$ M + N \bigstar P \geq A$, M is sister of N, N is wife of P, P is son of A. Hence, A is mother of P and N is daughter in law of A.
Hence, the correct option is A.
12) Answer (B)
$Q \times P\leq B + F $ can be intrepreted as:
Q is husband of P, P is daughter of B, B is sister of F. Hence, F is uncle/aunt of P or P is niece of F.
B is the correct option.
13) Answer (C)
$ R\geq S \bigstar P$ ¬ $J$ can be interpreted as:
R is son of S. S is wife of P, hence, R is son of P i.e P is father of R.
Hence, the correct option is C.
14) Answer (E)
Here, if we try to intrepret the relation: A $ \bigstar B\geq Z \times S + M
B is son of Z. Z is wife of S. S is sister of M. However, anomaly is that if Z is wife of S then S is husband and male member. However it is also mentioned that
S is sister. Hence, S is assumed to be female member which is in contradiction to previous designation.
Therefore, we cannot determine the relation between B and M.
15) Answer (A)
In the expression, J ÷÷ P % H ? T % L
J is son of P and P is mother of H, => J is brother of H
Now, for J to be brother of T, T must be a sibling of H.
The only option available is ‘x’
After that , H is sister of T, and hence J is brother of T
Ans – (A)
