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  1. Two circular cylinders of equal volume have their heights in the ratio 1 : 2. Ratio of their radii is (Take π = 22/7)
    1. 1 : 4
    2. 1 : 2
    3. 2 : 1
    4. 1 : 2
Correct Option: C

πr1²h1 = πr2²h2

⇒
r1
² =
h2
=
2
r2h11

∴
r1
 =
√2
 = √2 : 1
r22


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