Question

how many three digit positive integers are there such that the three digits are 3 4 and 8

Answer 1

3*2*1=6

Answer 2

can u explain me

Answer 3

hello

Answer 4

hundredth place can be filled by 3 numbers i.e.,3,4,8
After hundredth place is ffilled we are left only 2 numbers, so tenth place can be filled by 2 ways
After two numbers are filled we are left with only one number ,so unit place can be filled in 1 way only.