Question

the sum of the digits of a two digit number is 9 . If 27 is added to it , the digits of the no. get reserved. the no. is
a) 27
b) 72
c) 63
d) 36
​

Answer 1

Answer:

When 27 is added to it, the digits of the number get reversed. We have to find the number. Let the digit in tens place be x and unit place be y. Therefore, the number is 36.