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प्रश्न
The mean of first ten natural numbers is ______.
विकल्प
5.5
55
45
4.5
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उत्तर
The mean of first ten natural numbers is 5.5.
Explanation:
= `(1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10)/10`
= `55/10`
= 5.5
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