Question

A two digit and the number with digit het interchanged add up to 187. In the give number the digit in unit place
1 more the digit the
in tens place find the original two digit number​

Answer 1

Step-by-step explanation:

The number is thus 10y+x

interchanging the digits 10x+y.

Given that two digit number and the number with digits interchanged add up to 143.

So, 10y+x+10x+y=143

⇒11x+11y=143

⇒x+y=13 in the given number the digit in unit's place in 3 more than the digit in the ten's place.

x−y=3...

.adding

2x=16

value of x in (I) we get

8+y=13

⇒y=13−8=5

Thus, the number is 58.