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Idonthaveaname Idonthaveaname
  • 25-01-2017
  • Mathematics
Answered

100 to 150? Need this before midnight!

Verified Answer :

Chetan1 Chetan1
  • 25-01-2017

sum of 100 to 150:
a=100          n=50
a50=150
sn=n/2(a+an)
    =50/2(100+150)
    =25*250
    =6250

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