How many different nine digit numbers can be formed from the number 223355888 by rearranging its digits?
Answers
Answered by
2
mark me brainlist !!
Dear student
The digits are 2,2,3,3,5,5,8,8,8EOEOEOEOEThere are 5 odd places marked 'E'.These places can be filled by using 2,2,8,8,8 in 5!2!3!=10waysTheer are 4 even places marked 'O'.These places can be filled by using 3,3,5,5 in 4!2!2!=6 waysTherefore, Total no.of numbers=10×6=60
Regards
Dear student
The digits are 2,2,3,3,5,5,8,8,8EOEOEOEOEThere are 5 odd places marked 'E'.These places can be filled by using 2,2,8,8,8 in 5!2!3!=10waysTheer are 4 even places marked 'O'.These places can be filled by using 3,3,5,5 in 4!2!2!=6 waysTherefore, Total no.of numbers=10×6=60
Regards
Similar questions