The sum of the digits in tens place of all numbers formed with the digits `1, 2, 3, 4, 5` taken all at a time without repetition is

The sum of the digits at the ten's place of all the numbers formed with the digits of 3,4,5,6 taken all at a time is

The sum of the digits in the unit place of all numbers formed with the help of 3,4,5,6 taken all at a time 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.

Find the sum of all the numbers that can be formed with the digits 2,3,4,5 taken all at a time.

The sum of the value of the digits at the ten's place of all the numbers formed with the help of 3,4,5,6 taken all at a time is 1)1080 2) 4320 3) 360 ) 180 50.