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    Question

    In each of the following questions a number is wrong in the series. Find out the wrong number.

    420     342       272       212     

    156     110
    A 272 Correct Answer Incorrect Answer
    B 156 Correct Answer Incorrect Answer
    C 212 Correct Answer Incorrect Answer
    D 110 Correct Answer Incorrect Answer
    E 342 Correct Answer Incorrect Answer

    Solution

    212 – 21 = 420 192 – 19 = 342 172 – 17 = 272 152 – 15 =  210 132 – 13 = 156 112 – 11 = 110

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