# The sum of the first n term of an arithmetic progression is 252. If the…

The sum of the first n term of an arithmetic progression is 252. If the fist term is -16 and the last term is 72, find the number of terms in the series.?

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## A geometric progression X has a first term of 4a and it’s sixth term is…

A geometric progression X has a first term of 4a and it’s sixth term is 256. Another Geometric progression Y has a first term of 3a and it’s fifth term is 48. Find the first term of X and the sum of the first four terms of X?

## find the 8th term of a geometrical progression whose first term is 6 and the…

find the 8th term of a geometrical progression whose first term is 6 and the common ratio is 2 respectively?

## Find how many terms as an arithmetic progression whose common differences and frist term representive…

Find how many terms as an arithmetic progression whose common differences and frist term representive – 6and 8 the last term is – 82?

## The 3rd term of an arithmetic progression is -9 and the 7th term is -29…

The 3rd term of an arithmetic progression is -9 and the 7th term is -29 find the 10th term?

## An arithmetic progression has first term 11 and fourth term 32. The sum of the…

An arithmetic progression has first term 11 and fourth term 32. The sum of the first nine terms is . .?