Question

The sum of the digits of a two-digit number is 9. If 27 is subtracted from the number, then the digits get reversed. Find the number.
(2) 81
(b) 72
(c) 36
(d) 63​

Answer 1

Answer:

c) 36

Step-by-step explanation:

let the no. be (10x+y)

sum of the digits: x+y=9~~~(i)

(10x+y)-27=(10y+x)~~~~(ii)

solving (i) and (ii):

we get ,

x=6

y=3

thus, the no. is 36

Answer 2

Answer:

The answer is 36.

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