Question

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Answer (Detailed Solution Below)

Option 1 : 465 / 465

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Detailed Solution

सही उत्तर 465 / 465 है।

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Question:

The sum of the first $30$ natural numbers is: / प्रथम $30$ प्राकृतिक संख्याओं का योग है:

1.
465 / 465
2.
450 / 450
3.
475 / 475
4.
435 / 435

Correct Answer: 465 / 465

Sum of first n natural numbers = n(n+1)/2. For n = 30: 30×31/2 = 465. / प्रथम n प्राकृतिक संख्याओं का योग = n(n+1)/2। n = 30 हेतु: 30×31/2 = 465।

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