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Mathematics
Problem
A Spherical balloon is being inflated at the rate of
35
cc
/
min
35\text{cc}/\text{min}
35
cc
/
min
. The rate of increase in the surface area (in
cm
2
/
min
\text{cm}^2/\text{min}
cm
2
/
min
.) of the balloon when its diameter is
14
cm
14\text{ cm}
14
cm
, is : [JEE-MAIN ONLINE-2013] (1)
10
\sqrt{10}
10
(2)
10
10
10\sqrt{10}
10
10
(3)
100
100
100
(4)
10
10
10
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