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23 April, 10:20

In a 3-digit number, the hundreds digit is four more than the units digit, and the tens digit is twice the hundreds digit. If the sum of the digits is 12, find the three digits. Find the number.

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  1. 23 April, 10:44
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    The number is 480.

    Step-by-step explanation:

    The question states that in a 3 digit number, the hundreds digit is 4 more than the units digit and the tens digit is twice the hundreds digit.

    This can be also stated as in a number xyz, x=4+z and y=2x.

    In the number 480, 4=4+0 and 8=2 (4) and hence it satisfies the conditions given.
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