Question

the number of numbers lying betwin 100 and 1000can be formed with the digits 1,2,3,4,5,6,7 is

Answer 1

0 numbers can be formed coz using seven digits n forming a three digit is impossibleb bcoz numbers between 100 n 1000 there are only three digit numbers..i.e' from 101 to 999.........hope i helped u:)

Answer 2

There can be no numbers formed by using all digits 1,2,3,4,5,6,7    because I will turned into a seven digit number and there is no seven digit number between 100 and 1000