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Find the sum of all natural number between 20 to100?​

Answer»

The sum of natural NUMBERS between 20 and 100 is 4760.Step-by-step EXPLANATION:Number of terms = 80. 1st term = 20. COMMON difference = 1 ( that is the difference between any TWO terms is 1) ...Sn=n/2[2a+(n-1)d] Where n=80 (n= number of natural numbers to be calculated) a=20 (a= starting number)Hope this HELP you



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