Blood Relations

JKSSB Junior Engineer (Mechanical) · Reasoning · 98 practice questions with answers and explanations: 57 Easy, 41 Medium, 0 Hard.

Sample questions

Sample Easy question 1

P is Q's grandfather. R is P's only son. How is R related to Q, assuming Q's parent through P is male?

  1. Grandfather
  2. Father
  3. Uncle
  4. Brother
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Answer: B. Since R is P's only son, and P is Q's grandfather through the male line, R must be Q's father.

Sample Easy question 2

P is Q's grandmother. R is P's only daughter. How is R related to Q, assuming Q's parent through P is female?

  1. Sister
  2. Aunt
  3. Mother
  4. Grandmother
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Answer: C. Since R is P's only daughter, and P is Q's grandmother through the female line, R must be Q's mother.

Sample Easy question 3

M is N's father-in-law. N is O's mother. How is M related to O?

  1. Uncle
  2. Grandmother
  3. Grandfather
  4. Father
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Answer: C. M is the father of N's husband; since N is O's mother, N's husband is O's father, making M O's grandfather.

Sample Medium question 4

P says, "S is my husband's mother." How is S related to P?

  1. Mother-in-law
  2. Mother
  3. Aunt
  4. Grandmother
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Answer: A. A husband's mother is one's mother-in-law.

Sample Medium question 5

A's father is B's brother. If A is a boy, how is A related to B?

  1. Nephew
  2. Son
  3. Brother
  4. Cousin
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Answer: A. A's father is B's brother, so B is A's uncle, and A (a boy) is B's nephew.

Sample Medium question 6

A's mother is B's sister. If A is a girl, how is A related to B?

  1. Cousin
  2. Niece
  3. Daughter
  4. Sister
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Answer: B. A's mother is B's sister, so B is A's aunt, and A (a girl) is B's niece.

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