The mean of first 10 natural numbers is:
- 5
- 5.5
- 6
- 6.5
Show answer and solution
Correct answer: B. 5.5
1. Sum of first n naturals = n(n+1)/2.
2. For n=10: 10 × 11 / 2 = 55. Mean = 55/10.
3. = 5.5.
_Source: KMAT Karnataka 2022 PYQ Q.76_
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Correct answer: B. 5.5