Question

sum of all even number between 1 to 50​

Answer 1

Answer:

Step-by-step explanation:

2,4,6.8,10,12,14,16,18,20.......

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Answer 2

Answer:

Solution: We know that, from 1 to 50, there are 25 even numbers.

Thus, n = 25

By the formula of sum of even numbers we know;

Sn = n(n+1)

Sn = 25(25+1) = 25 x 26 = 650

Step-by-step explanation:

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