If the digits from 1 to 7 are arranged to form different numbers of 7 digits and these numbers are placed in increasing order, then the 2013th number will be

How many different numbers of six digits can be formed with the digits 3,1,7,0,9, 5 ?

The number of four digited even numbers that can be formed with the digits 0,1,2,5,7,8 is

Find the sum of unit digits of all different numbers formed from digits 4, 6, 7 and 9.

All the numbers that can be formed , using the digits in the number 3402 are arranged in the increasing order of magnitude . The rank of 3402 is

The sum of the digits of a two digit number is 7. If 9 is added to the number, the digits interchange their places. Find the number

The sum of the digits of a two - digit number is 7. If the digits are reversed, the new number increased by 3, equal 4 times the original number. Find the original number.

The number of 7 digited numbers which can be formed using the digits 1,2,3,2,3,3,4 is