Find the sum of 1st 20 odd natural Numbers
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Answered by
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Answer:
1st 20 odd natural numbers are -
1,3,5,7,9,11,13,15,17,19.
Sum of odd number =1+3+5+7+9+11+13+15+17+19
=119
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Answered by
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Answer:
formula= n²
=20²
=400
Step-by-step explanation:
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