Question

The 2 digit no. is such that the product of its digits is 20. if 9 is added to the no. the digits interchange their places. find the no.

Answer 1

91 is the number 10+9=19
they are changing their places so 91 is it correct

Answer 2

45 is the answer because the product of these two digits is 4*5=20 as it is required and if we will add nine to it the 45 will be changed into 54 as it is asked in the question of interchanging.
Please mark it as brainliest.