A and b are two railway station 90 km apart a train leaves a at 9 a.m. heading towards be at the speed of 40 km per hour another train leaves B at 10:30 a.m. heading towards A at the speed of 20 km per hour the trains meet each other at what time?
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Step-by-step explanation:
The distance travelled by A before B starts his journey
=
40
×
1.5
=
60
The time taken by them to meet each other
=
90
−
60
40
+
20
=
30
60
=
0.5
hours
Required answer =10: 30 a.m. +30 min =11: 00 a.m.
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