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In the Following Number Series, Only One Number is Wrong. Find Out that Number: 9, 19, 40, 83, 170, 340 - Logical Reasoning

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MCQ

In the following number series, only one number is wrong. Find out that number:

9, 19, 40, 83, 170, 340

Options

  • 340

  • 170

  • 83

  • 40

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Solution

340

Explanation:

The pattern is as follows:

9 × 2 + 1 = 19

19 × 2 + 2 = 40

40 × 2 + 3 = 83

83 × 2 + 4 = 170

170 × 2 + 5 = 345

Hence, the wrong number in the series is 340.

Concept: Series (Enterance Exam)
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