0 votes 0 votes How many integers are there between $100$ and $1000$ all of whose digits are even? $60$ $80$ $100$ $90$ Quantitative Aptitude gate2019-ee numerical-ability arithmetic-series + – Arjun asked Feb 12, 2019 retagged Mar 10, 2021 by Lakshman Bhaiya Arjun 15.9k points answer comment Share See all 0 reply Please log in or register to add a comment.
0 votes 0 votes _ _ _ In the units place the possible number can be vary from 0,2,4,6,8 In the tens place similarly, outcome is the same as number can vary from 0 to 8 But the story is not the same in case of hundredth place as number should be greater than 100 thus the only possible outcome is 2,4,6,8 So 4*5*5 = 100 possibilities are there in which all the digits can be even. ashishrajmin answered Jul 29, 2022 ashishrajmin 480 points comment Share ask related question See all 0 reply Please log in or register to add a comment.