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Earn 100

On a particular day of a trade fair, 35,000 visitors had visited the fair. The amount collected at the entrance counter was  9,50,000. The entrance fee was at the rate of  40 for an adult and   20 for a child. If 10% of the visitors had used free passes, the number of children who visited the fair is:

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Important Questions on Data Interpretation and Quantitative Ability

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If p th, q th and r th terms of an AP and GP both be a, b and c respectively, then what will be the value of ab-c·bc-a·ca-b  ?
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Find the equation of the hyperbola whose eccentricity is 2 and the distance between the foci is 16, taking transverse and conjugate axis of the hyperbola as X and Y-axis respectively.

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The volume of the largest possible cube that can be inscribed in a hollow spherical ball of radius r cm is _____.
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A square is inscribed in a circle and another in a semi-circle of same radius. The ratio of the area of the first square to the area of second square is -
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An open box is made by cutting the congruent squares from the corners of a rectangular sheet of cardboard of dimensions 20 cm×15 cm. If the side of each square is 2 cm, the total outer surface area of the box is:
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A small ring of negligible thickness and radius 2 cm moves on a bigger ring of radius 10 cm. How many rotations will the small ring take on the bigger ring to make a complete round?
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The cost of fencing an equilateral triangular park and a square park is the same. If the area of the triangular park is 163 m2, the length of the diagonal of the square park is:
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A closed aquarium of dimensions 30 cm×25 cm×20 cm is made up entirely of glass plates held together with tapes. The total length of tape required to hold the plates together (ignore the overlapping tapes) is: