Question

the sum of digit of three digit number is 15 the digit at the tens place is half of the sum of the digit at the hundred place and unit place if 396 is added to the number the digit at the hundred place and unit place interchange then find the number
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Answer 1

Step-by-step explanation:

The sum of the digits of three digit number is 15. The digit at tens place is half of the sum of the digits at the hundreds and units places. if 396 added to the number the digits at hundreds and units places are interchanged.

15 votes

x+y+z=15----1y=x+z/22y=x+z----2100x+10y+z+396=100z+10y+x99x-99z+396=0----3solve these ...  More