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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 11

If Z $ X means Z is the brother of X; X * Y means X is the son of Y; Y @ D means Y is the wife of D and Z # D means Z is the son of D, how C is related to Z?

  1. Mother
  2. Father
  3. Mother-in-law
  4. Sister
  5. None of the above

Answer (a)

Explanation: Z $ X in known as Z is the brother of X

X * Y that is equal to X is the son of Y. Hence, here we come to know Z is the son of Y. Y @ D and Y is the wife of D. Hence, it's clear that Y is the mother of Z.

Question 12

P $ H means P is the father of H; P # B means P is the sister of H; P * H means P is the daughter of H and P @ H means P is the brother of H. Which of the following indicates that V is the wife of W?

  1. W $ R @ Z * V
  2. QR * Z
  3. AB + Q
  4. VQ = Q
  5. None of the above

Answer (a)

Explanation: W $ R that is W is the father of R. R @ Z means R is the brother of Z. Therefore, here we find W is the father of Z. Z * V means T is the daughter of M. Hence, V is the mother of Z. Hence, V is the wife of W.

Question 13

Showing towards to a boy in the snap Reva said, "He is the only son of the only child of my grandfather." How is Reva related to that boy?

  1. Sister
  2. Mother
  3. Aunty
  4. Father
  5. None of the others

Answer (b)

Explanation: The boy in the photograph is the only son of Reva's grandfather's only son; i.e., the boy is the only son of Reva's father. Hence, the boy is the brother of Reva or Reva is the sister of the boy.

Question 14

Pointing to a girl Simon said, "She is the daughter of the only sister of my father." How is simon associated to the lady?

  1. Father
  2. Mother
  3. Sister
  4. Cousin
  5. None of the above

Answer (d)

Explanation: The lady is the daughter of the sister of Simon's father. Therefore, the lady is the cousin or Simon is the cousin of the lady.

Question 15

  1. T * B means T is the sister of B
  2. T $ B means B is the mother of T
  3. T + B means T is the brother of B
  4. T = B means B is the father of T.

Which of the following means U is the maternal uncle of N?

  1. N * P $ Q * U
  2. N +PQ
  3. UN = ST
  4. NT/Q * U
  5. None of the above

Answer (e)

Explanation: In any of the three cases the sex of U is not clear that is "U" may b male or female. So D is the correct option.

Question 16

Indicating towards a lady, Ameya says, "This lady is the daughter of only a child of my father." What is the relation of Ameya's wife to that lady?

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

Answer (a)

Explanation: One and only child of my father means 'Ameya ' himself. This means the lady is the daughter of Ameya. Therefore, Ameya's wife is the mother of the lady.

Question 17

Arnold said to a lady sitting in a car, "The only daughter of the brother of my wife is the sister-in-law of the brother of your sister." How the husband of the lady is associated to Arnold?

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

Answer (a)

Explanation: Arnold's son-in-law is the brother of the lady who was sitting in the car. Hence, the husband is also the son-in-law of Arnold.

Question 18

Anny said to a woman sitting in a car, "The one and only daughter of the brother of my wife is the sister-in-law of the brother of his sister." How the husband of the woman is associated to Anny?

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

Answer (a)

Explanation: Anny's son-in-law is the brother of the woman who was sitting in the car. Therefore, the husband is also the son-in-law of Anny.

Question 19

If G x H means G is the daughter of H; G + H means G is the father of H; G % H means G is the mother of H and G - H means G is the brother of N then P % J + R - W x L indicates which relation of P to L?

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

Answer (e)

Explanation: P % J that is P is the mother of J. J+ R this means Q is the father of R. R - W this means R is the brother of W. Therefore, this means J is the father of W. W x L this means W is the daughter of L. Hence, this means J is the husband of L. Therefore, P is the mother-in-law of L.

Question 20

If J $ K means K is the father of J; J # K means B is the mother of J; J * K means K is the sister of J and J @ K means K is the husband of J, which of the following indicates that P is the grandmother of P?

  1. R # M $ N * M
  2. Y# N $
  3. NM= 45
  4. UP * M
  5. None of the above

Answer (e)

Explanation: "P" is male. Second case says that "P" is male. Third case says that "P" is grandmother of "Q". So option d is right choice.

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