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At what time after 4.00 p.m. is the minutes hand of a clock exactly aligned with the hour hand? ...
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There are 24 equally spaced points lying on circumference of a circle. What is the maximum number of equilateral triangles that can be drawn by taking sets of three points and joining the three points of each set? ...
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Find the volume of the biggest right circular cone that can be inscribed in a sphere of radius a=3? Is there a difference between a trapezium and a trapezoid? What is infinity + infinity,infinity * zero?? In a box, there are ...
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1. There are two figures which are having constant width. Name them ? ...