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    Question

    In each of the following questions, a number series is given. After the series a number is given followed by (a), (b), (c), (d) and (e). You have to  complete the series starting with the number given following the sequence of the given series.

    Find the value of c. -3         -2     

      -12        -9       -100        -375  31        a           b          c          d               e
    A 195 Correct Answer Incorrect Answer
    B 162 Correct Answer Incorrect Answer
    C 151 Correct Answer Incorrect Answer
    D 182 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    The pattern of the first line series is obtained as, -3 × 1  + 1³ = -2 -2 × 2  - 2³ = -12 -12 × 3  + 3³ = -9 -9 × 4 - 4³ = -100 -100 × 5 + 5³ = -375 Completing the next series as, 31, a = 31 × 1 + 1³ = 32 b = 32 × 2 - 2³ = 56 c = 56 × 3 + 3³ = 195 The value of c = 195

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