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The sum of first ten natural number is ______.

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Question

The sum of first ten natural number is ______.

Options

  • 55

  • 155

  • 65

  • 110

MCQ
Fill in the Blanks
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Solution

The sum of first ten natural number is 55.

Explanation:

Sum = `(n(n + 1))/2`

Here, n = 10

Sum = `(10(10 + 1))/2`

= `(10 xx 11)/2 = 55`

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