Question

Find the speed of a train which travels 243km in 2hrs 15mins.


please it's urgent

Answer 1

Answer:

$Given train travels 12 minutes with speed 30 km \hr </p><p></p><p>Then train travels =6030×12=6km</p><p></p><p>And train travels 8 minutes with speed 45 km\ hr</p><p></p><p>Then train travels =6045×8=6km</p><p></p><p>Then train travels distance in 12+8=20 minutes =6+6=12 km </p><p></p><p>Then average speed =2012×60=36 km \hr</p><p></p><p>$