Question

A certain number of two digits is three times the sum of its digits and if 45 be added to it, the digits are reversed. The number is : a. 23 b. 27 c. 32 d. 72

Answer 1

i will say take 27 sum of digits = > 2+7=9

times the sum of its digits =3*9=27

and then add 45 will be added we get 72

if the digits are reversed we get 27