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    Question

    If ‘534’ = ‘50’, ‘758’ = ‘138’, ‘3156’ = ‘71, then ‘4738’ = ?

    A 144 Correct Answer Incorrect Answer
    B 136 Correct Answer Incorrect Answer
    C 154 Correct Answer Incorrect Answer
    D 138 Correct Answer Incorrect Answer

    Solution

    The sum of all the squares of the digits of first number is second number. In 534 = 50, 5² + 3² + 4² = 25 + 9 + 16 = 50 In 758 = 138, 7² + 5² + 8² = 49 + 25 + 64 = 138 In 3156 = 71, 3² + 1² + 5² + 6² = 9 + 1 + 25 + 36 = 71 Similarly, in 4738 = 4² + 7² + 3² + 8² = 16 + 49 + 9 + 64 = 138

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