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.

Give Answer

 

  • 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

 

Answer Key

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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(-)

丨        /  |

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

 

     

 

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