KVPY StreamSA (Class 11) Math: Questions 224  227 of 265
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Question number: 224
» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method
Question
A particle moves along the curve. Find the point on the curve at which the ycoordinate is changing 5 times as fast as the xcoordinate.
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Question number: 225
» Basic Mathematics » Arithmetic » Rates
Question
Given area four cylindrical buckets A, B, C, D whose circular bases are of radii 2, 4, 6, 8 units, respectively. Initially water is filled in these buckets up to the same height. Some water is then transferred from D to A and B so that they all three have the same volume of water. Some water is then transferred between C and B so that they both have the same volume of water. If, denote the heights of water at this stage in the buckets A, B respectively, then the ratio equals –
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Question number: 226
» Basic Mathematics » Geometry » Polygons With More Than 4 Sides
Question
12 sphere of same size are made from melting a solid cylinder of 16 cm diameter and 2 cm height. The diameter of each sphere is:
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Question number: 227
» Permutations and Combinations » Simple Applications
Question
If ^{n }C _{r1} = 165, ^{n }C _{r} = 330, and ^{n }C _{r + 1} = 462; than value of n and r respectively –
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