Question

3,7,2,8,5 using these digit how many three digit numbers can be made without repetition

Answer 1

There are 5 numbers in total.

So, no. of three digits number which can be made will be= 5!/2!

Answer 2

hi

the numbers given are 3 , 7 , 2 , 8 , 5

total no of numbers is 5

the number of positions are 3

no of three digit numbers that can be formed without reptation of digits is

- - -

the 1st blank can be filled in 5 ways

2nd blank can be filled in 4 ways(as 1st blank is  already filled with a number)

3rd blank can be filled in 3 ways

totally 5 * 4 * 3 = 60

hope this helps...........