The given series has six terms. What is the sum of the terms of...

how many terms of the series -8,-6-,-4.... make the sum 90?

How many terms of the series -6+0+6+12+... are needed to yield a sum of 324?

How many terms of the series 12+4+4/3+4/9+..., are needed to yield a sum of 1459/81?

The sum of n terms of a series is a.2n-b, find its nth term. are the terms of this series in G.P. ?

How many terms of the series 25+19+13 +… are required to make the sum −20?

How many terms of a series 13+10+7+... amounts to 28

How many terms of the series 5 + 7 + 9 must be taken so that sum may be 480?

How many terms of the series 5 + 7 + 9 must be taken so that sum may be 480? Please answer in shor...

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