Question
Without adding, find the sum: $1 + 3 + 5 + 7 + 9 + 11 +13 + 15 + 17 + 19 + 21 + 23$
✓
Answer
As per the question, we have to calculate the sum of first twelve odd natural numbers
Therefore, $1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 = 12^2= 144$
Therefore, $1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 = 12^2= 144$
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