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NEW JOYTHI PUBLICATION-SEQUENCES AND SERIES -QUESTIONS FROM COMPETITIVE EXAMS
- An A.P. consists of 23 terms. If the sum of the three terms Is the mid...
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- If a(1), a(2), a(3), ......... , are in A.P. with common difference 5 ...
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- The sum of all two digit natural numbers which leave a remainder 5 whe...
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- If the 9^(th) term of A.P. is zero, then the ratio of 29^(th) term to ...
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- Let S(1), S(2), ...... S(101) be consecutive terms of A.P. If 1/(S(1)S...
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- If a(1), a(2), a(3), ……. , a(n) are in A.P. and a(1) = 0, then the val...
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- The value of 1^(2) - 2^(2) + 3^(2) - 4^(2) + ….. + 11^(2) is equal to
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- Let s(n) denote the sum of first n terms of an A.P. and S(2n) = 3S(n)....
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- The first four terms of an A.P. are a, 9, 3a - b, 3a + b. The 2011^(th...
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- If log(e)5,log(e)(5^(x) - 1) and log(e)(5^(x) - 11/5) are in A.P., th...
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- The sum to n terms of the series 4/3 + 10/9 + 28/27 + ……. is
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- If sum(k = 1)^(n) k (k + 1)(k - 1) = pn^(4) + qn^(3) + tn^(2) + sn whe...
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- In an A.P., the first term is 2 and the sum of first five terms is 5. ...
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- If a, b, c, d are in G.P., then (a + b + c + d)^(2) is equal to
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- The sum of first n terms of the series 1 + (1 + x) y+ (1 + x + x^(2)) ...
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- If 3^(rd), 7^(th) and 12^(th) terms of A.P. are three consecutive term...
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- If a(1) = 4 and a(n + 1) = a(n) + 4n for n gt= 1, then the value of a(...
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- If the first term of a G.P. is 729 and its 7^(th) term is 64, then the...
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- Let a(1), a(2), a(3), a(4) be in A.P. If a(1) + a(4) = 10 and a(2)a(3)...
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- The 100^(th) term of the sequence 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, ……. is
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