Q. Radius of a wheel is 7 cm in covering 44 km, how many revolutions will it make ?
(A) 90,000                 (B) 1,00,000                 (C) 1,40,000                      (D) 1,50,000

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bro ans for 12th one is c and ans for 13 th is  d
 
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Bro , plz explain
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