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Can any body solve this math

Answer»

1. 40 ×18/5 =144 km/hr
2.0.6×18/5 =2.16 km/hr
1 m = 1/1000km.....(1)
1 hr = 60 s .......(2)
on dividing 1 and 2 =60/1000=18/5
There to CONVERT m/s to km/hr multiply with 18/5
and to convert km/hr to m/ s multiply with 5/18
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