SUM OF ALL THE NUMBERS FORMED USING GIVEN DIGITS

Distinct 3 digit numbers are formed using only the digits 1,2,3,4 with each digit used at most one in each number thus formed. The sum of all possible numbers so formed is

Sum of all the numbers that can be formed using all the digits 2, 3, 3, 4, 4, 4 is

Sum of all the numbers that can be formed using all the digits 2,3,3,4,4,4, is:

The ratio of a two digit natural number to a number formed by reversing it digit is 4 : 7. Find the sum of all such possible numbers

Sum of all numbers greater than 10000 formed by the digits 1,3,5,7,9 such that no Digit is repeated

Three digit numbers in which the middle one is a perfect square are formed using the digits 1 to 9 Their sum is

Statement-1: the sum of the diigits in the ten's place of all numbers formed with the help of 3,4,5,6 taken all at a time is 108. Statement-2: The sum of the digits in the ten's place= The sum of the digits is the units's place.