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Which term of the AP : 121, 117, 113, …....

Which term of the AP : `121, 117, 113, …..,` is the first negative term? [Hint: Find n for `a_(n) lt 0`]

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VGS PUBLICATION-BRILLIANT-PROGRESSIONS-EXERCISE
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  2. If the geometric progressions 162, 54, 18, …….. And 2/81, 2/27,2/9,…. ...

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  3. Which term of the AP : 121, 117, 113, ….., is the first negative term?...

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  12. Find the sum of first 200 natural numbers.

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  13. Is 'zero' a term of the Arithmetic Progression 31, 28, 25, ….? Justify...

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  14. In a GP. t(n) = (-1)^(n). 2017. find the common ratio.

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  15. The nth term of an A.P. is 6n+2. Find the common difference. (x in N)

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  16. Is the sequence sqrt(3), sqrt(6), sqrt(9), sqrt(12),…… form an Arithme...

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  17. Radha says “1,1,1,… are in A.P and also G.P”.Do you agree with Radha,?...

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  18. In the AP -9 , -14, -19, -24, ……… a(30) - a(20) = ………….

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  19. Find the 11^th term of the A.P. : 15, 12, 9, .....

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