Find the sum of the first 25 terms of an...

Find the sum of the first 25 terms of an A.P. whose `n^(th)` term is given by `a_n=2-3n`.

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BEYOND PUBLICATION-PROGRESSIONS-EXERCISE

Find the sum of all 3-digit natural numbers, which are multiples of 13...
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Find the sum: 25+ 28+31+…+100.
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Find the sum of the first 25 terms of an A.P. whose n^(th) term is giv...
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The first and the last terms of an A.P. are 17 and 350 respectively. I...
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For what value of p are 2p+1, 13,5p-3 are three consecutive terms of a...
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Find 'r' and write 3 more terms of each of the following G.Ps. x/y,1...
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Find 'r' and write 3 more terms of each of the following G.Ps. 5,0.5...
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Find 'r' and write 3 more terms of each of the following G.Ps. sqrt3...
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Find 'r' and write 3 more terms of each of the following G.Ps. -3,1,...
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Find 'r' and write 3 more terms of each of the following G.Ps. 2,4,8...
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Find 'r' and write 3 more terms of each of the following G.Ps. -2/3,...
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Which of the following are G.Ps? Write 3 more terms . 3,33,333,…..
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Which of the following are G.Ps? Write 3 more terms . 1,2/3,4/9,….
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Which of the following are G.Ps? Write 3 more terms . 1,-a,a^2,-a^3,...
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Which of the following are G.Ps? Write 3 more terms . 4,8,10,20,…
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Which of the following are G.Ps? Write 3 more terms . 128,-96,72,…
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Which of the following are G.Ps? Write 3 more terms . 8/27,16/81,32/...
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Find x so that x,x+4 and x+12 are consecutive terms of a geometric pro...
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Find x so that x+1,5x-1, and 10x+7 are in G.P.
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Write three terms of G.P. when the first term 'a' and the common ratio...
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