The sum of first 10 natural numbers is equal to ____?
- 55 or 5.5
- 40
- 50
- None of these
Explanation
The sum of the first 10 natural numbers is:
1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55
Average = 55/10 = 5.5
OR
Formula for natural number= n(n+1)/2
n=10
Now
10(10+1)/2
10(11)/2
5(11)
55
Last verified on 15-02-2026
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