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Questions and Answers
What is the sum of $1+2+3+...+30$?
What is the sum of $1+2+3+...+30$?
- 435
- 505
- 495 (correct)
- 465
What is the average of $1, 2, 3, ..., 30$?
What is the average of $1, 2, 3, ..., 30$?
- 15
- 16 (correct)
- 18
- 17
What is the 15th term in the sequence $1, 2, 3, ...$?
What is the 15th term in the sequence $1, 2, 3, ...$?
- 16
- 17
- 15 (correct)
- 14
What is the value of 1² + 2² + 3² +...... + 12²?
What is the value of 1² + 2² + 3² +...... + 12²?
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What is the sum of the squares of the first 12 natural numbers?
What is the sum of the squares of the first 12 natural numbers?
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Calculate 1² + 2² + 3² +...... + 12².
Calculate 1² + 2² + 3² +...... + 12².
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