Find the sum of all odd numbers till 500
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Answer:
The odd numbers from 1 to 499 form an AP.
The sum of the odd numbers from 1 to 499 is a summation in AP.
Tn = 499 = 1+(n-1)*2
498/2 = 249 = n–1 or n = 250;
S250 =[2*1 + (250–1)*2]
= 2 + 249*2
= 500. Answer.
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1
answer is 625000
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