Express 121 as the sum of 11 odd numbers


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Express 121 as the sum of eleven consecutive odd natural numbers

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121 = (11)2

Therefore, 121 is the sum of first 11 odd natural numbers.

121 = 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21

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