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what is the sum of first 100 numbers ?

 Feb 4, 2015

Best Answer 

 #2
avatar+128577 
+5

The sum of the first N positive intergers is given by

N*(N+1)/2    so we have

100(101)/2 =

50(101) =

5050

 

 Feb 4, 2015
 #1
avatar+26 
0

Answer is 4543.

 Feb 4, 2015
 #2
avatar+128577 
+5
Best Answer

The sum of the first N positive intergers is given by

N*(N+1)/2    so we have

100(101)/2 =

50(101) =

5050

 

CPhill Feb 4, 2015

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