D

Deepika • 5.98K Points
Tutor III Reasoning

Q. What should come in place of question mark (?) in the following number series?

7 , 5 , 7 , 17 , 63 , ?

  • (A) 258
  • (B) 309
  • (C) 888
  • (D) 408
  • Correct Answer - Option(B)
  • Views: 728
  • Filed under category Reasoning
Explanation by: Deepika
7x1-2, 5x2-3, 7x3-4, same way we can find the value.

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