Question

A number has two digits the unit digit is three times the tens digits. The difference between the number and the number obtained by reversing the digit is 36. Find the original number.

Answer 1

Step-by-step explanation:

LET NUMBER AT TENS PLACE BE X

NUMBER AT ONES PLACE 3X

NO. =10X+3X≠13X

AFTER INTERCHANGING THE NUMBERS

NUMBER AT TENS PLACE 3X

NUMBER AT ONES PLACE X

NO. 3X+10+X=31X

The difference between the number and the number obtained by reversing the digit is 36

ATQ. 13X-31X=36

-18X=36

X=-36/18=-2

13X=-2*13=-26

SO THE NUMBER IS -26