New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    These questions are based on the following set of numbers:                   5268                       4664                       2976                       1459                       4397

    If first and last digit of each number is multiplied and

    then the product is added to the sum of the middle two digits of the number, which resultant number is obtained more than once?
    A 28 Correct Answer Incorrect Answer
    B 18 Correct Answer Incorrect Answer
    C 40 Correct Answer Incorrect Answer
    D 48 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    5268 = 5 × 8 + 2 + 6 = 48 4664 = 4 × 4 + 6 + 6 = 28   2976 = 2 × 6 + 9 + 7 = 28 1459 = 1 × 9 + 4 + 5 = 18

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