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Sequences and S...

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  • Question 1
    4 / -1

    If an A. P., T35 = - 50 and d = - 3 then S35 =______

  • Question 2
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    If p th term and q th term of an A. P. are 1/qr and 1/pr respectively, then r th term of the A. P. = _______

  • Question 3
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    If a set A = {3, 7, 11, ..., 407} and a set B = {2, 9, 16, ..., 709} then n(A ∩ B) = _______

  • Question 4
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    If Sn = an + bn2, for an A. P. where a and b are constants, then common difference of A. P. will be ______

  • Question 5
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  • Question 6
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    If the sum of the roots of the equation ax2 + bx + c = 0 is equal to the sum of the squares of their reciprocals then bc2, ca2, ab2 are in ______

  • Question 7
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    If the first, second and last terms of an A. P. are a, b and 2a respectively, the sum of the series is _______

  • Question 8
    4 / -1

    Sum of products of first n natural numbers taken two at a time is _____

  • Question 9
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  • Question 10
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