Find the sum of all natural no from 1to 100

1.	Find the sum of all natural no from 1to 100
Answer» Too simple yaarA.p. is in form of 1,2,3....100 where d is 1 Here last term (l) is 100a=1N=100Sum of all natural number =n÷2×(a+l)100÷2×(1+100)50×101=5050 5050 5050

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