UPSC 2015 CDS II Math Paper

Question : 64 of 100

Marks: +1, -0

30 metallic cylinders of same size are melted and cast in the form of cones having the same radius and height as those of the cylinders
Consider the following statements :
Statement I : A maximum of 90 cones will be obtained.
Statement II : The Curved surface of the cylinder can be flattened in the shape of a rectangle but the curved surface of the cone when flattened has the shape of triangle.
Which one of the following is correct in respect of the above ?

[2015 CDS-II]

Both Statement I and Statement II are correct and Statement II is the correct explanation of Statement I
Both Statement I and Statement II are correct and Statement II is not the correct explanation of Statement I
Statement I is correct but Statement II is not correct
Statement I is not correct but Statement II is correct

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