Express 121 as the sum of 11 odd numbers.
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11+11+11+11+11+11+11+11+11+11+11=121
ayush9023:
poor
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Sol: 121=11^2
therefore,12 is the sum of 11 consecutive add natural numbers
121=1+3+5+7+9+11+13+15+17+19+21.
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