CBSE Class 10 Maths (Standard) 2022 · Paper 30/4/1 · Question 10
If the last term of an A.P. of 30 terms is 119 and the 8th term from the end (towards the first term) is 91, then find the common difference of the A.P. Hence, find the sum of all the terms of the A.P.
Answer
Common difference and the sum of all terms is .
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