1) The sum of the AP with 21 terms is 210 then the 11 term isa) 810c) – InterviewSolution

1.	1) The sum of the AP with 21 terms is 210 then the 11 term isa) 810c) 15d) 18
Answer» Sum=(21/2)(2a+20d)210=(21/2)(2a+20d)20=2a+20da+10d=1011th term will be a+10dSo, 11th term is 10Option b is correct

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