Question

find the sum of first 250 even no​

Answer 1

Answer:

62750

Step-by-step explanation:

The number series 2, 4, 6, 8, 10, 12, . . . . , 500.

The first term a = 2

The common difference d = 2

Total number of terms n = 250

Sum = n/2 x (a + Tn)

= 250/2 x (2 + 500)

= (250 x 502)/ 2

= 125500/2

2 + 4 + 6 + 8 + 10 + 12 + . . . . + 500 = 62750

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