If the third and fourth terms of an arit...

If the third and fourth terms of an arithmetic sequence are increased by 3 and 8 respectively,then the first four terms form a geometric sequence.Find the sum of the first four terms of A.P

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MOTION-SEQUENCE & SERIES -Exercise -4 Level -II Previous Year /JEE Advanced

If the third and fourth terms of an arithmetic sequence are increased ...
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Let Vr denote the sum of first r terms of an arithmetic progression (A...
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Let Vr denote the sum of the first r terms of an arithmetic progressio...
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Let Vr denote the sum of the first r terms of an arithmetic progressio...
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Let A1 , G1, H1denote the arithmetic, geometric and harmonic means re...
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Let A1 , G1, H1denote the arithmetic, geometric and harmonic means re...
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Let A1 , G1, H1denote the arithmetic, geometric and harmonic means re...
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A straight line through the vertex P of a triangle PQR intersects the ...
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Suppose four distinct positive numbers a1,a2,a3,a4 are in G.P. Let b1=...
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In the sum of first n terms of an A.P. is cn^2, then the sum of square...
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Let Sk ,k=1,2, ,100 , denotes thesum of the infinite geometric series ...
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Let a(1),a(2),a(3),"........."a(11) be real numbers satisfying a(1)=15...
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The minimum value of the sum of real number a^(-5),a^(-4),3a^(-3),1,a^...
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Let a1, a2, a3, ,a(100) be an arithmetic progression with a1=3a n dsp...
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If a(1),a(2),a(3),"......" be in harmonic progression with a(1)=5 and ...
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Let a(n) denote the number of all n-digit numbers formed by the digits...
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Let an denote the number of all n-digit positive integers formed by th...
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Let S(n)=sum(k=1)^(4n)(-1)^((k(k+1))/2)k^(2). Then S(n) can take value...
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A pack contains n cards numbered from 1 to n. Two consecutive numbered...
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Let a,b,c be positive integers such that (b)/(a) is an integer. If a,b...
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Suppose that all the terms of an arithmetic progression (A.P.) are nat...
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