A roller has diameter of 0.7m and length of 1m. It is used to roll ove – McqOptions

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1.	A roller has diameter of 0.7m and length of 1m. It is used to roll over the cricket pitch. The surface area of the cricket pitch is equal to 60m². How much revolution will roller make to move once over the pitch? (Take = ( frac{22}{7} ))
A.	25
B.	28
C.	30
D.	26
Answer» C. 30

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