Question

The sum of the digits of a 2-digit number is 9. The number is 6 times the units digit. Find the number.
The sum of the digits of a 2-digit number is 7. If the digits are reversed, the new number increased by 3
less than 4 times the original number. Find the original number.
The sum of a number of 2 digits and of the number formed by​

Answer 1

Answer:

Explanation:

Let one's digit = x

And, ten's digit = y

Therefore, number is 10y+x.

According to the question,

x+y=9 ....(1)

Also,

10y+x+27=10x+y

x−y=3 ......(2)

Solving equation 1 & 2, we get,

x=6 and y=3.

Hence, the original number is 10y+x=36.