What is the time taken by a planet to sweep an area of 2 million squa – McqOptions

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1.	What is the time taken by a planet to sweep an area of 2 million square km if the time taken by the same planet to cover an area of 1 million square km is 36 hours?
A.	18 hours
B.	36 hours
C.	72 hours
D.	144 hours
Answer» D. 144 hours

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