The speed of a train is 60 1/2 km/hr.How much distance the train will travel in 10 1/2 hours and 45/2 minites
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total time = 45/2 +21/2×60
= (45/120 +21/2)h
= (45+1260)/120
= 1305/120h
distance = (121/2)/(1305/120)
= 121×60/1305
= 7260/1305
=5.56 km
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