An House painter paints numbers on all the houses in a new estate from 1 to 100 how many times does he paint the number 9 in the process? scroll down The correct Answer was:- 20 times 9, 19, 29, 39, 49, 59, 69, 79, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99 if you missed a couple of 9s i can guess they were either 90 or the 2 9s in 99