Question:
Find the sum of the first 100 natural numbers :
A5050
B5005
C9900
D9050
Answer:
A. 5050
Explanation:
first term = 1 n=100 sum = n/2 [first term + last term] = 100/2 [1+100] =50×101 =5050
Question:
A5050
B5005
C9900
D9050
Answer:
first term = 1 n=100 sum = n/2 [first term + last term] = 100/2 [1+100] =50×101 =5050