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Sequences and S...

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  • Question 1
    4 / -1

    1 + 3 + 7 + 15 + ... 10 terms = _____

  • Question 2
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  • Question 3
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  • Question 4
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  • Question 5
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  • Question 6
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  • Question 7
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    If a, b, c are in A. P. and geometric means of ac and ab, ab and bc, ca and cb are d, e, f respectively then e + f, f + d and d + e are in _______

  • Question 8
    4 / -1

    Find out three numbers which are in G. P. such that their summation is 13 and the sum of their squares is 91

  • Question 9
    4 / -1

    If S1, S2, S3, ..., Sn be the sum of n terms of n A.P. s whose first terms are 1, 2, 3, ..., n respectively and common differences are 1, 3, 5, ... (2n-1) respectively then

  • Question 10
    4 / -1

    0.4 + 0.44 + 0.444 + ... to 2n terms = _____

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