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Posted Date: 11 Nov 2008 Posted By: syed Member Level: Diamond Category: Mathematics - Basic
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An ice-cream company makes a popular brand of ice-cream in a rectangular-shaped bar 6 cm long, 5 cm wide and 2 cm thick. To cut costs, the company has decided to reduce the volume of the bar by 20%. The thickness will remain the same, but the length and width will be decreased by the same percentage amount. The new length L will satisfy ?
Select Answer:
5.5 < L < 6
5 < L < 5.5
4 < L < 4.5
4.5 < L < 5
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A solid cylinder and a solid cone have equal base and equal height. If the radius and height be in the ratio of 4 : 3, the ratio of the total surface area of the cylinder to that of the cone is in the ratio of ?
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In a co-educational school there are 15 more girls than boys. If the number of girls is increased by 10% and the number of boys is also increased by 16%, there would be nine more girls than boys. What is the number of students in the school?
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