find the sum
100+200+300+400+500........+1000
Answers
Answered by
1
Step-by-step explanation:
+600+700+800+900 is the answer
Answered by
0
Answer:
5500
Step-by-step explanation:
100(1+2+3+4+5.......10)
n(n+1) / 2 = sum of n natural no.
100 × 10 (11)/2 = 5500
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