Question

    The second number in the given number pairs is obtained

    by performing certain mathematical operation(s) on the first number. The same operation(s) is/are followed in all the number-pairs except one. Find that odd number-pair.
    A 62: 315 Correct Answer Incorrect Answer
    B 54: 275 Correct Answer Incorrect Answer
    C 23: 118 Correct Answer Incorrect Answer
    D 47: 240 Correct Answer Incorrect Answer

    Solution

    The pattern followed here is as follows: (First number X 5) + 5 = Second number 62: 315 (62 X 5) + 5 = 310 + 5 = 315 54: 275 (54 X 5) + 5 = 270 + 5 = 275 23: 118 (23 X 5) + 5 = 115 + 5 = 120 ≠ 118 47: 240 (47 X 5) + 5 = 235 + 5 = 240

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