Question

in the list of numbers 3,8,13,18...98 there are 20 numbers, and each number after the first is five more than the previous number. All of the numbers are added together to give a sum. What is the unit digit of the sum

Answer 1

Step-by-step explanation:

So, 3,8,13,18,23,28,33,38,43,48,53,58,63,68,73,78,83,88,93,98

Here we need to add all these 20 numbers

As, each one is 5 more than the previous one

So, after we add them we will get = 1,010

Sp the unit digit is 0 (zero)