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Question

Two circular cylinders of equal volume have their heights in the ratio 1 : 2 Ratio of their radii is

(a) 1 : 2

(b) 2:1

(c) 1 : 2

(d) 1 : 4

(d)


Solution

Let V1 and V2 be the volume of the two cylinders with h1 and h2 as their heights:

Let r1 and r2 be their base radius.

It is given that


Hence, the correct option is (b)


Mathematics
RD Sharma (2017)
Standard IX

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