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CAT Sample Questions ›› Logical Reasoning

Analytical Section : Logical Reasoning

Below are the few questions on Logical question. Choose the correct answer from the following question.

Question 1

A girl said, while introducing a boy, "He is the child of the daughter of the dad of my uncle." How is the boy associated to the girl?

  1. Husband
  2. Brother
  3. Uncle
  4. Paternal uncle

Answer (b)

Explanation: The boy's uncle father = the boy grand father and daughter of the grandfather = real sister of father.
Therefore the correct option is (b)

Question 2

Suraj said, while pointing towards the boy in the photographer, "He is my son of the one and only son of my mother. So, how is Suraj associated to that boy?

  1. Father
  2. Brother
  3. Son in law
  4. Brother in law
  5. None of the above

Answer (a)

Explanation: The boy in the snap is the only son of the son of Suraj's mother that is the son of Suraj. Therefore, Suraj is the father of boy.

Question 3

If E is the brother of F; F is the sister of G; and G is the father of H, how H is related to E?

  1. Father
  2. Husband
  3. Wife
  4. Sister
  5. None of the above

Answer (e)

Explanation: If H is Male, then the solution is Nephew. If H is Female, then the solution is Niece. As the sex of H is unknown, therefore, the connection between H and E cannot be figured out.

Question 4

If C + Y means C is the mother of Y; C - Y means C is the brother Y; C % Y means C is the father of Y and C x Y means C is the sister of Y, which of the following shows that J is the maternal uncle of K?

  1. J - M + N x K
  2. A - Y +Y
  3. H -M + N
  4. Y - J / K
  5. None of the above

Answer (a)

Explanation: J - M → J is the brother of M
M + N → M is the mother of N
N x K → N is the sister of K
Therefore, J is the maternal uncle of K.

Question 5

If Y + D means Y is the brother of D; Y - D means Y is the sister of D and Y x D means Y is the father of D. Which of the following means that C is the son of M?

  1. P x Q - C + S
  2. Q=CM
  3. P + CQ
  4. Q - S
  5. None of the above

Explanation: P x N → M is the father of Q
Q - C → Q is the sister of C and C + S → C is the brother of S.
Hence, P is the father of C or C is the son of P.

Question 6

Pointing to a picture, Andrew said, "He is the only son of the only daughter of the father of my brother." How Andrew is related to the man in the photograph?

  1. Maternal uncle
  2. Mother
  3. Father
  4. Sister
  5. Brother

Answer (a)

The man in the photo is the son of the sister of Andrew. Therefore, Andrew is the maternal uncle of the man in the pictures.

Question 7

If A is the brother of S, how S is related to D? To answer this question which of the statements is/are necessary?

    (1) The son of A is the grandson of D. (2) S is the sister of A.

  1. 1 and 2 both
  2. Only 2
  3. Only 1
  4. Either 1 or 2
  5. None of the above

Answer (a)

Explanation: A is the brother of S.
From statement 1, we can notice that A is son of D (son of A is the grandson of D).
From statement 2, we can notice that S is Female (sister of D).
Therefore, S is daughter of D.

Question 8

If J + Q means J is the father of Q; U - Q means J is the brother Q; J % Q means A is the wife of Q and J x Q means J is the mother of Q, which of the following shows that V is the maternal grandmother of U?

  1. M x S - N % T
  2. V x N % S + U
  3. MN +S
  4. S = M
  5. None of the above

Answer (b)

Explanation: V x N → V is the mother of N
N % S → N is the wife of S and S + U → is the father of U.
Hence, V is the maternal grandmother of U.

Question 9

If D + F means D is the brother of F; D x F means D is the son of F; and D % F means F is the daughter of D then which of the following means J is the maternal uncle of Q?

  1. D + F
  2. J + O * Q
  3. DF
  4. D* N
  5. None of the above

Answer (e)

Explanation: The sex of O is not known

Question 10

Pointing to a snap Linda says, He is the only son of the one and only son of my grandfather. How is the man in the snap linked to Linda?

  1. Mother
  2. Brother
  3. Husband
  4. Sister
  5. None of the above

Answer (b)

Explanation: The man in the snap is the son of the only one son of Linda s grandfather that is., the man is the son of Linda's father. Therefore, the man is the brother of Linda.

CAT Sample Logical Reasoning Question Number : 1-10 | 11-20 | 21-30 | 31-40
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