9. The sum of first 20 natural numbers is
(a) 281
(b) 285
(c) 400 (d) 421
Answers
Answered by
1
Answer:
i think the ans is a) 281 ok
Step-by-step explanation:
hope I help you follow me plese
Answered by
1
Answer:
The answer is 210.
All the options are incorrect dear.
Here we will apply the formula of Sum of Arithmetic Progression.
Hope it helps you!
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