question_answer

A bucket is pulled from a well by means of a rope which is wound round a wheel of diameter 77 cm. Given that the bucket ascends in 1 minute 28 seconds with a uniform speed of 1.1 m/s, find the number of complete revolutions that the wheel makes in raising the bucket. (Take\[\pi =\frac{22}{7}\].)

A)  10                                         

B)  55  

C)  25                         

D)         40