1. Find the sum of the following APs:0 2,7,12,..., to 10 terms. – InterviewSolution

1.	1. Find the sum of the following APs:0 2,7,12,..., to 10 terms.
Answer» a=2d=7-2=5sum =10/2(2×2+9×5)=10(4+45/2)=49×10=490

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