Question

12 find the sum of first
30
pobitive integres?​

Answer 1

Answer:

The number series 4, 8, 12, 16, 20, 24, 28, 32, . . . . , 120

Step-by-step explanation:

Therefore, 1860 is the sum of first 30 positive integers which are divisible by 4.

Answer 2

Step-by-step explanation:

The number series 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . . . , 180. Therefore, 2790 is the sum of first 30 positive integers which are divisible by 6.