Math, asked by Jayant8168, 1 year ago

All possible 6 digit natural numbers are formed using the digits 1, 2, 3, 4, 5 and 6 without repetitions. How many numbers so formed would have 2 ahead of 4 and 5?

Answers

Answered by amitnrw
0

240 Numbers can be formed if 2 ahead of 4 and 5 ,in all possible 6 digit natural numbers are formed using the digits 1, 2, 3, 4, 5 and 6 without repetitions.

Step-by-step explanation:

Lets make a group of 3 Digits

2 , 4 & 5

2 is ahead of 4 & 5

so it can be

245   or  254   in 2  Ways

3 Position out of 6 can be filled by 3 other numbers in

⁶P₃  ways

= 6!/3!

= 120

120 * 2 = 240

240 Numbers can be formed if 2 ahead of 4 and 5 ,in all possible 6 digit natural numbers are formed using the digits 1, 2, 3, 4, 5 and 6 without repetitions.

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