The ones digit of a 2-digit number is twice the tens digit. When the n

1.	The ones digit of a 2-digit number is twice the tens digit. When the numberformed by reversing the digits is added to the original number, the sum is 99. Findthe original number157
Answer» Let, the tens digit =xso, ones digit =2x.•. number= 10x+2x=12xreverse number= 10×2x+x=20x+x=21x it is given that,12x+21x=99or 33x=99so, x=3 original number=10x+2x=30+6=36 Hit like if you find it useful! thanks

The ones digit of a 2-digit number is twice the tens digit. When the numberformed by reversing the digits is added to the original number, the sum is 99. Findthe original number157

Answer»

Let, the tens digit =xso, ones digit =2x.•. number= 10x+2x=12xreverse number= 10×2x+x=20x+x=21x

it is given that,12x+21x=99or 33x=99so, x=3

original number=10x+2x=30+6=36

Hit like if you find it useful!

thanks