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    Select the number from among the given options that can replace the question mark (?) in the following series. 36, 75, 147, 297, 591, ?
    Question

    Select the number from among the given options that can replace the question mark (?) in the following series.
    36, 75, 147, 297, 591, ?

    A.

    1273

    B.

    1185

    C.

    1179

    D.

    1279

    Correct option is B

    Let's find the pattern in the series:

    36, 75, 147, 297, 591, ?

    Step-by-step Pattern

    Check how one term becomes the next:

    36 → 75

    36 × 2 = 72
    72 + 3 = 75

    75 → 147

    75 × 2 = 150
    150 – 3 = 147

    147 → 297

    147 × 2 = 294
    294 + 3 = 297

    297 → 591

    297 × 2 = 594
    594 – 3 = 591

    Pattern Identified:

    Multiply by 2, then +3, –3, +3, –3… alternately.

    Next Term:

    591 × 2 = 1182
    Pattern says next operation = +3

    1182 + 3 = 1185

    Correct Answer: 1185

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