Math, asked by Byuti, 3 months ago

Find the sum of the numbers between 20 to 81

Answers

Answered by anulekshmiaakumar111

0

Answer:

3030

Step-by-step explanation:

the sum of numbers between 20 and 81 is 3030

Answered by rajeebsc001

0

Answer:

summation S = n(n+1)/2

S81 = 81(82)/2 = 81(41) = 3321

S20 = 20(21)/2 = 10(21) = 210

S(20to81) = 3321-210 = 3111

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