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Question

What is the sum of first 200 natural numbers?
Options:
A .  20120
B .  19901
C .  19900
D .  20100
Answer: Option D

Answer : Option D

Explanation :

$MF#%1 + 2 + 3 + \cdots + n = \sum{n} = \dfrac{n(n+1)}{2}%$MF#%


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