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| 1. |
A train runsfor3hat the speedof40 km /hand then for 4 (1)/(2) h atthe speedof 60 km/h , thus. It wantsto cover 3/5 th part of it.theremainingdistancedistancein4 h,findtheaveragespeedof thetrainforremainingdistance. |
| Answer» Answer :D | |