Question

the sum of the digits of a 2- digit number is 9. if the number obtained by reversing the digits is 27 more than the original numbers, find the original number ​

Answer 1

Answer:

36

Step-by-step explanation:

original no =10x+y

x+y=9 --(1)

new no = 10y+x = 10x+y+27

9y-9x=27

y-x=3 --(2)

(1)+(2)

2y=12

y=6

sub. in(1);

x+6=9

x=3

therefore original no. is 36

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