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## Reasoning Quiz 5

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# Reasoning Quiz 5

Directions (Question 1-5) The questions given below are based on the following information:

A © B means B is the brother of A

A # B means A is the daughter of B

A = B means B is the sister of A

A ? B means A is the son the B

A % B means A is the father of B

A @ B means A is the mother of B

Question 1- B ? N @ S © M = A

1. S is the brother of A
2. N has two sons and two daughters
3. S is the sister of B
4. A is the sister of B
5. None of these

Question 2- What does the expression A @ R = S © T ? V means?

1. V is the husband of A
2. R is the son of V
3. R is the daughter of V
4. V is the wife of A
5. None of these

Question 3- Which of the following show that C is the paternal uncle of D?

1. C ? V # N @ L © D
2. C ? V ? L @ N © D
3. D ? L ? N @ V © C
4. D ? N # V @ L © C
5. None of these

Question 4- Which of the following indicates that B is the daughter of N?

1. B % P # C @ N @ V
2. N % P # C @ B @ V
3. M @ N # R % B
4. M © Bb = V # N
5. None of these

Question 5- Which of the following can be correct conclusion from the expression

L = M # N © A % B

1. B is the grandson of M
2. L is the uncle of N
3. N is the uncle of B
4. B is the niece of N
5. None of these

Directions (Question 6-10) The questions given below are based on the following information:

P @ Q means P is smaller than Q

P # Q means P is greater than Q

P \$ Q means P is either  smaller than or equal to Q

P % Q means P is either greater than or equal to Q

P © Q means P is neither greater than nor smaller than Q

In each of the questions given below, three statements showing relationships have been given, which are followed by two conclusions I & II. assuming that the given statements are true, find out which conclusion(s) is/are definitely true.

• If only conclusion I is true
• If only conclusion II is true
• If either conclusion I or II is true
• If neither I nor II is true
• If both conclusions I and II are true

Question 6- Statements: A \$ B,  B @ C,  D % C

Conclusions: I.  A @ C

II. B @ D

Question 7- Statements: K \$ L,  L @ M,  M % N

Conclusions: I. K \$ M

II. K © N

Question 8- Statements: M © N,  N # O,  O % P

Conclusions: I. M # P

II. N % P

Question 9- Statements: M # N,  N % O,  O @ P

Conclusions: I. O @ M

II. P © M

Question 10- Statements: M © N,  N # O,  O @ P

Conclusions: I. M © P

II. O @ M

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 Question Answer 1 4 2 1 3 3 4 2 5 5 6 5 7 4 8 1 9 1 10 2

Solutions

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Question 1- N(-)

|   ＼

B(+)   S — M(+) — A(-)

Since the gender of S is not known , options 1,2 and 3 are not necessarily true. Option 4 is true.

Question 2- A(-)  ⇔  V(+)

Ι           |

R — S(-) — T(+)

Since the gender of R is not known. Option 2 and 3 are not necessarily true. Reject option 4 because 4 is male.

Question 3- Make family trees of given expressions:

1.    N(-)

丨  ∖

V(-)    L ㅡ D (+)

丨

C(+)

Here C is the nephew of D.

(2)            L(-)

ㅣ  ＼

V(+)    N ㄧ D(+)

丨

C(+)

Here C is the nephew of D

(3)            N(-)

丨   ＼

L(+)     V  ー C(+)

丨

D(+)

Here C is the paternal uncle of D

Question 4- Reject options (1) and (4) because in these expression B has been represented as a male. Reject option (3) because the gender of B is not defined. Now, check option (2)

N(+)   C(-)

A(-)          B(-)

|

V

Question 5-

N    —   A(+)

丨           │

L  —   M(-)        B

Reject option (1) because B is the cousin of M.

Reject option (2) because L is the child of N.

Reject option (3) because the gender of N is not known.

Reject option (4) because the gender of B is not known.

Question 6-

A ≤ B…. (i); B < C…. (ii)   D ≥ C….. (iii)

Combining all, we get A ≤ B < C ≤ D.

Hence A < C and I follows

Again, B < D and II follows

Question 7-

K ≤ L ….(i);  L < M ….(ii);  M ≥ N …(iii)

From (i) and (ii), K ≤ L < M or K < M ….(iv)

Hence I does not follow.

Again, from (iv) and (iii), K and N can’t be compared. Hence II does not follow.

Question 8-

M = N …(i);  N > O ….(ii);   O ≥ P ….(iii)

Combining all, we get  M = N > O ≥ P

Hence M > P and so I follows

Also N > P and so II does not follow

Question 9-

M > N …(i);  N ≥ O …(ii);  O < P …(iii)

From (i) and (ii),  M > N ≥ O or O < M.

Hence I follows.

But from I and (iii) P and M can’t be compared.

Hence II does not follow.

Question 10-

M = N …(i);  N > O …(ii);  O < P ….(iii)

From (i) and (ii), M = N > O or O < M

Hence II follows

But from II and (iii) M and P can’t be compared. Hence I does not follow