Practice Test Discussion

Q)

In series 1, only one number is wrong. If the wrong number is corrected, the series gets established following a certain logic. Complete series 2 with same logic and answer the given question.

Series 1: 2 14 18 46 82 176 338
Series 2: 4 a b c d e f

What will come in place of (e) ?


  • Explanation

    The given number series 1 follows the logic,

    ⇒ 2×2+10= 14

    ⇒ 14×2-10= 18

    ⇒ 18×2+10= 46

    ⇒ 46×2-10= 82

    ⇒ 82×2+10= 174

    ⇒ 174×2-10= 338

    Similarly, series 2

    (a)⇒ 4×2+10= 18

    (b)⇒ 18×2-10= 26

    (c)⇒ 26×2+10= 62

    (d)⇒ 62×2-10= 114

    (e)⇒ 114×2+10= 238

    (f)⇒ 238×2-10= 466

    Hence, Option A is correct.

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