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    Question

    The sum of digits of a two digit number is 10 &

    difference between its digits is 4.If unit digit is greater than tenth place, what is the number
    A 64 Correct Answer Incorrect Answer
    B 73 Correct Answer Incorrect Answer
    C 37 Correct Answer Incorrect Answer
    D 28 Correct Answer Incorrect Answer

    Solution

    let number is xy  Sum of digit => 10x+y = 10  Difference => y – 10x = 4 => y-4 = 10x  Put 10x value and solve we get y =7 and further solve  We get => x = 3  So, the required number is 37

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