Answers

2015-07-14T19:54:16+05:30
For 4m it moves at rate of 15sec i.e., for 4m it moves at a rate of 1/4minutes
then for 1m it moves at rate of 1/16min 
                 for 1m time taken is 1/16min 
                 for x metres time taken is ?
                       (48metres)
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