Question

in a three digit number, the tens digit is equal to the sum of the hundreds digit and the units digit. The hundreds digit of his number is three more than the units digti. if the digits are digits are reversed. the new numbers is 11 less than the original number/ What is the original number.

Answer 1

Let the unit's place digit be x, the tenth place digit be y and the hundredth place digit be z of the three digit number

So the number will be 100z+10y+x

Now given, sum of digits =x+y+z=12......(1)

And y=2x,z=3x

Now using (1)

⇒x+2x+3x=12

⇒6x=12⇒x=2

So y=2x=4 and z=3x=6

Hence the number is =100z+10y+x=642

So the reversed number is 246

Answer 2

Answer:

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