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  • Question 1
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  • Question 2
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  • Question 3
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    How many different signals can be made by 5 flags from 8 flags of different colours

  • Question 4
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    The number of triangles that can be formed by 5 points in a line and 3 points on a parallel line is

  • Question 5
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    The number of straight lines that can be formed by joining 20 points no three of which are in the same straight line except 4 of them which are in the same line

  • Question 6
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    The number of diagonals of a polygon of m sides is

  • Question 7
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    Given six line segments of lengths 2,3,4,5,6,7 units , the number of triangles that can be formed by these lines is

  • Question 8
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    The number of triangles that can be formed by choosing the vertices from a set of 12 points , seven of which lie on the same straight line, is

  • Question 9
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    The straight lines I1, I2, I3 are parallel and lie in the same plane. A total number of m points are taken on I1, n points on I2, k points on I3. The maximum number of triangles formed with vertices at these points are

  • Question 10
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    In a plane there are 37 straight lines of which 13 pass through the point A and 11 pass through the point B. Besides no three lines pass through one point, no line passes through both point A and B and no two are parallel. Then the number of intersection points the lines have is equal to

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