Really odd numbers!!!
Level
pending
What is the sum of n odd numbers?
n(n+1)
none of these
n/2(n+1)
n^{2}
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1 solution
1 = 1^2
1+3 = 2^2
1+3+5 = 3^2
1+3+5+7 = 4^2
continuing this way, we get 1+3+5+.....(upto n odd numbers) = n^2