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Deepak Sahoo • 10.78K Points
Tutor II Reasoning

Q. What will come in place of the question mark (?) in the following number series?
5, 7, ?, 25, 45, 75

  • (A) 11
  • (B) 13
  • (C) 15
  • (D) 19
  • Correct Answer - Option(B)
  • Views: 214
  • Filed under category Reasoning
Explanation by: Deepak Sahoo
The series given follow the pattern
+2, +2+4, +2+4+6, +2+4+6+8, +2+4+6+8+10,...
Here ? = 7 + 2 + 4 = 13.

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