Question

in a two-digit number, the ten's digit is four times the unit's digit. The number obtained by reversing the digits is 54 less than the original number. Find the original number.

Answer 1

Step-by-step explanation:

number =y×10+x

x=4(y)....(1)

y+x=10...(2)

y+4y=10

5y=4y=10⇒y=2

x=8

Number =20+8=28