Math, asked by amisharawat980, 1 year ago

The sum of a two digit no. is 10. If 36 is subtracted from the number, the digits interchange their places. Find the no.

Answers

Answered by Sarth45
8
Let the tens place digit of two digit nu mber be x and units place digit be y

so x+y=10

10x + y+36=10y+x

9x-9y=36

x-y=4

by adding equations above we get 2x=14

x=7

y=4

so the number is 74
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