Instructions

In the following questions a question is followed by data in the form of two statements labelled as I and Il. You must decide whether the data given in the statements are sufficient to answer the questions. Using the data make an appropriate choice from (a) to (d) as per the following guidelines :

Question 19

What is the surface area of a sphere ?
I. The sphere is made of iron.
II. The radius of the sphere is given.


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