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1 Sum of first n natural numbers = n(n+1)2

[Formula.]

2 Arthmetic mean of first n natural numbers = Sum of the numbers n

[Formula.]

3 = n(n+1)2n = n+12

4 So, the Arthmetic mean of first n natural numbers = n+12

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The variance of first n natural numbers is?

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Program to calculate the sum of first ten natural numbers?

Algorithm to find the sum of first n natural numbers:1. Read n.2. Initialize N=1.3. Initialize sum S=0.4. Calculate S=S+N.5. Calculate N=N+1.6. If N>n, then goto step 7 else goto step 4.7. Write the sum S.8. Stop.


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Identify the difference between natural number and real number?

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What is the algorithm and flowchart to find Sum of natural numbers from 1 to10?

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