What is the sum of the first 24 natural numbers (starting from 1)?
Choices:
A) 250 B) 300 C) 350 D) 400 E) 450
The sum of n natural numbers = n*(n+1) / 2 = 24*25/2= 
<gadget id="calculator">24*25/2</gadget>
<output>300</output>
300   The answer is 300.
<result>B</result>
What is the sum of the first 24 natural numbers (starting from 1)?