Math, asked by neena1172, 1 year ago

In an A.P. if the 3rd term is 18, 7 term is 30 then the sum of first 20 terms is: (a) 810 (b) 520 (c) 180 (d) 250

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Answered by thorTONYstark

1

I think (a) is the answer

hope it will help you

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