Question

1 + 2 +3+ 4 + ... +67 = ?A.1274B.3278C.2278D.1560​

Answer 1

Ответ:

С)2278 - правильный ответ

Answer 2

The sum of consecutive integers from 1 to n can be calculated using the formula:

Sum = n * (n + 1) / 2

In this case, n = 67. Plugging in the value:

Sum = 67 * (67 + 1) / 2 Sum = 67 * 68 / 2 Sum = 2278

So, the correct answer is C. 2278.