Question 49: What is the sum of the odd natural numbers from 1 to 999?

From 1 to 999 yes (999 -1) : 2 +1 = 500 (term)

1+ 3 + 5 +… + 997 + 999 = \(\frac{{\left( {1 + 999} \right).500}}{2}\) = 250000

So the sum of the odd natural numbers from 1 to 999 is 250000 . Choose A.

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