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NEW JOYTHI PUBLICATION-SEQUENCES AND SERIES -QUESTIONS FROM COMPETITIVE EXAMS
- The quardritic equation in x such that the arithmetic mean of its roo...
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- If the sum of n terms of the series 2^(3) + 4^(3) + 6^(3) + ......... ...
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- ………… term of the G.P. 3, 3sqrt(3),9 ...... is 2187
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- A ball is dropped from a height of 48 meters and rebounds 2/3 of the d...
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- The sum of 15^(2) + 16^(2) + 17^(2) + ....... + 30^(2) =
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- If a(1), a(2), a(3), a(4), a(5) and a(6) are six arithmetic means betw...
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- The sum to n terms of the series 1 + (1 + 3) + (1 + 3 + 9) + (1 + 3 + ...
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- If x, y, z are in A.P then 1/(sqrt(x) + sqrt(y)) , 1/(sqrt(z) + sqrt(x...
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- The product of (32)(32)^(1//6)(32)^(1//36) …….. To infty is
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- If A.M and G.M of x and y are in the ratio p:q, then x:y is
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- The difference between any two consecutive interior angles of a polygo...
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- In an arithmetic progression, the 24^(th) term is 100. Then the sum of...
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- If a, b and c are in geometric progression and the roots of the equati...
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- If a(1), a(2),………, a(50) are in G.P, then (a(1) - a(3) + a(5) - .........
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- The first term of an infinite G.P. is 1 and each term is twice the sum...
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- If a/(b + c), b/(c + a), c/(a + b) are in A.P., then
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- In an infinite geometric series the first term is a and common ratio i...
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- The sets S(1), S(2), S(3), …………. are given by S(1) = {2/1},S(2) = {3/2...
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- If H(1), H(2) are two harmonic means between two positive numbers a an...
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- If the sum of 12^(th) and 22^(nd) terms of an A.P is 100, then the sum...
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