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The sum of some terms of G.P. is 315 who...

The sum of some terms of G.P. is 315 whose first term and the common ratio are 5 and 2, respectively. Find the last term and the number of terms.

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PSEB-SEQUENCES AND SERIES-EXERCISE
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  3. The sum of some terms of G.P. is 315 whose first term and the common r...

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  13. If a and b are the roots of x^2 -3x + p= 0 and c, d are roots of x^2 -...

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  14. The ratio of the A.M. and G.M. of two positive numbers a and b, is m :...

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