Question

Find the sum of first 123 even natural number​

Answer 1

Answer:

12

Step-by-step explanation:

1st 2nd 3rd even natural no’s. : 2, 4, 6

so 2+4+6 = 12

Answer 2

Answer:

7626

Step-by-step explanation:

Sum of first N natural number = N*(N+1)/2

                                                  = 123*124/2 = 7626