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The volume of metallic hallow sphere is ...

The volume of metallic hallow sphere is constant. If the order radius is increasint at thed rate of V cm/sec. Then the rate at which the inner radius increasing when the radii are a+d,a is

A

`(V(a+d)^(2))/(a^(2))`

B

`(V(a+d))/(a)`

C

V(a+d)

D

a+d

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The correct Answer is:
A
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AAKASH SERIES-RATE MEASUREMENT-PRACTICE SHEET (EXERCISE - 1) (LEVEL - 1) (STRAIGHT OBJECTIVE TYPE QUESTION)
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