# KVPY Stream-SA (Class 11) Math: Questions 224 - 227 of 265

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## Question number: 224

» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method

MCQ▾

### Question

A particle moves along the curve. Find the point on the curve at which the y-coordinate is changing 5 times as fast as the x-coordinate.

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## Question number: 225

» Basic Mathematics » Arithmetic » Rates

MCQ▾

### 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

MCQ▾

### 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

MCQ▾

### Question

If n C r-1 = 165, n C r = 330, and n C r + 1 = 462; than value of n and r respectively –

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