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Sequences and S...

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  • Question 1
    4 / -1

    If 100 times the 100th term of an A.P. with non-zero common difference equals the 50 times its 50th term. then the 150th term of this A.P. is

  • Question 2
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    Find a, b and c between 2 and 18 such that a + b + c = 25, 2,a,b are in A.P. and b,c, 18 are in G.P.

  • Question 3
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    If two arithmetic means A1, A2, two geometric means G1, G2 and two harmonic means H1, H2 are inserted between two numbers p and q then _____

  • Question 4
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  • Question 5
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    In a G. P. the first term is a, second term is b and the last term is c, then the sum of the series is ________

  • Question 6
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  • Question 7
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    If 2, b, c, 23 are in G. P. then (b – c)2 + (c – 2)2 + (23 – b)2 =_____

  • Question 8
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    If x,y,z are in G.P and ax = by = cz, then

  • Question 9
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    The first and last terms of a G.P. are a and l respectively; r being its common ratio; then the number of terms in this G.P is

  • Question 10
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