Question

5 on 10 plus 3 on 1000 10 plus 3 on 1000

Answer 1

Answer:

We have to find the sum of 1+2+3+. . . +100.

Here n=100

We have a formula to calculate the sum of n numbers as:

Sum=(n(n+1))/2

So we have:

Sum=(100(100+1))/2=5050

Hence the sum is 5050

Answer 2

Answer:

5on 10 plus 3 on 0 10 on 5 plus