What is the unit digit of the sum of first 111 whole numbers? The whol
Right Answer is: C
The whole numbers start from 0,1,2,3…
∴ Sum of the first 111 whole numbers is
Now because 0 will not disturb the sum , therefore the number of terms will be 110.
Hence the unit digit is 5.
Special Note: As whole number starts from 0….So, 111th whole number is 110