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At first class level the cricket ball is heavily related to the cricket law but when the desire to play stricts almost any roundish object will this most common form a cricket ball is made from layers of twine of cork core inside a red lather shell etc
kindly send detailed answer. please
ok i have edit it now see it
This answer will depend on the weight of the two objects 
as we know that both objects are of same the size but their weights are not known, so  if the Sphere is hollow from inside and lighter than the cricket ball then ur answer is cricket ball. But if the ball is lighter or hollow ur answer will be iron sphere. 

I understood. than kyou very much. despite can i know afforsaid matter in tamil Language.
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