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Sequences and Series Test - 48

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Sequences and Series Test - 48
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Weekly Quiz Competition
  • Question 1
    4 / -1
    If for the triangle whose perimeter is 37 cms and length of sides are in G.P. also the length of the smallest side is 9 cms then length of remaining two sides are ___ and __
    Solution

  • Question 2
    4 / -1
    Find out four numbers such that, first three numbers are in G.P., last three numbers are in A.P. having common difference 6, first and last numbers are same.
    Solution

  • Question 3
    4 / -1

    Solution

  • Question 4
    4 / -1
    If the harmonic mean and geometric mean of two numbers a and b are 4 and 3√ 2 respectively then the interval [a, b] = _______
    Solution

  • Question 5
    4 / -1
    A.M of the three numbers which are in G.P. is 14/3. If adding 1 in first and second number and subtracting 1 from the third number, resulting numbers are in A.P. then the sum of the squares of original three numbers is ______
    Solution

  • Question 6
    4 / -1
    If the H.M. of a and c is b, G.M. of b and d is c and A.M. of c and e is d, then the G.M. of a and e is ______
    Solution

  • Question 7
    4 / -1
    If a, b, c are in A.P. and geometric means of ac and ab, ab and bc, ca nad cb are d, e, f respectively then d2, e2, f2 are in
  • Question 8
    4 / -1

    Solution

  • Question 9
    4 / -1
    If (666 ... n times)2 + (8888 ... n times) = (4444 ... K times) then K = ______
    Solution

  • Question 10
    4 / -1
    If (m +1)th, (n +1)th and (r +1)th terms of an A.P. are in G.P. and m, n, r are in H.P. then the common difference of the A.P. is _______
    Solution

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