There are 720 permutations of the digits 
. Suppose these permutations are arranged from smallest to largest numerical values, beginning from 1 2 3 4 5 6 and ending with 6 5 4 3 2 1. Then the digit in unit place of number at 
position is
There are 720 permutations of the digits . Suppose these permutations are arranged from smallest to largest numerical values, beginning from 1 2 3 4 5 6 and ending with 6 5 4 3 2 1. Then the digit in unit place of number at position is
Question ID - 153660 | SaraNextGen Top Answer
There are 720 permutations of the digits . Suppose these permutations are arranged from smallest to largest numerical values, beginning from 1 2 3 4 5 6 and ending with 6 5 4 3 2 1. Then the digit in unit place of number at position is
|
There are 720 permutations of the digits |
1 Answer
127 votes
Answer Key / Explanation : (6) -
(6)
Number of numbers beginning with 1=120
.png)
Number of number beginning with 2 =120
.png)
Starting with 31………………..=24
.png)
Starting with 3214………………..=2
.png)
Finally =1
.png)
Hence unit place digit of
number is6
127 votes
Answer Link
127