Question
Without adding, find the sum: $1 + 3 + 5 + 7 + 9$
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Answer
As per the question, we have to find the sum of first five odd natural numbers.
Therefore, $1 + 3 + 5 + 7 + 9 = 5^2= 25$
Therefore, $1 + 3 + 5 + 7 + 9 = 5^2= 25$
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