Number System · Question 9 · Medium
What is the sum of all even numbers from 2 to 100?
- 2550
- 2450
- 2500
- 2600
Answer and explanation
Answer: A. 2550
Explanation: 2 + 4 + ... + 100 = 2(1 + 2 + ... + 50) = 2 × 1275 = 2550.
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