SOLUTION: A. In a arithmetic progression, the seventh term is six times the third term and the sum of the first ten term is 165. Find the first term and the common difference. Hence, find th

Question 935696: A. In a arithmetic progression, the seventh term is six times the third term and the sum of the first ten term is 165. Find the first term and the common difference. Hence, find the tenth term and sum of the first 20 terms.
Answer by MathTherapy(10552) (Show Source): You can put this solution on YOUR website!
A. In a arithmetic progression, the seventh term is six times the third term and the sum of the first ten term is 165. Find the first term and the common difference. Hence, find the tenth term and sum of the first 20 terms.

Common difference, or 

1st term, or 

10th term, or 

Sum of 1st 20 terms, or 

You can do the check!! 

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