Data Sufficiency Questions and Answers

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Q41
Who is older, X or Y?
  • A I
  • B II
  • C Both
  • D NeitherStatements:I. X is younger than Z.II. Y is younger than Z.
Answer: Option D
Explanation: Both are younger than Z but relation between X & Y is unknown.
Q42
Is the number divisible by 5?
  • A I
  • B II
  • C Both
  • D NeitherStatements:I. Last digit is 0.II. Last digit is 5.
Answer: Option C
Explanation: Either statement alone sufficient.
Q43
Is C the mother of D?
  • A I
  • B II
  • C Both
  • D NeitherStatements:I. C is the parent of D.II. C is female.
Answer: Option C
Explanation: Parent + female = mother.
Q44
What is the perimeter of the square?
  • A I
  • B II
  • C Both
  • D NeitherStatements:I. Area = 49II. Side = 7
Answer: Option C
Explanation: I gives side 7 -> perimeter 28; II directly gives side.
Q45
Is the number > 50?
  • A I
  • B II
  • C Both
  • D NeitherStatements:I. Number is between 48 and 52.II. Number is odd.
Answer: Option D
Explanation: Number could be 49 or 51 -> cannot confirm > 50.

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