Given few numbers like 2, 5, 6, 7, 9. Find the number of ways of arranging a five digit even number from the given numbers?
for the number to be even, only 2 and 6 are even in the above given list, so the units place must be always 2 or 6. therefore the units place can be arranged in 2! or 2 waysPinku wrote:Given few numbers like 2, 5, 6, 7, 9. Find the number of ways of arranging a five digit even number from the given numbers?
the rest of the 3 numbers can be rearranged to form different 5 digit numbers in 3!
then total number of ways to arrange is 3!*2!= 12 ways
Preet
