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In 1 hour, one train goes (21-16)= 5 km more than another.
Now, In 1 hour total distance covered by them = (16+21) km = 37 km
If distance difference is 5 km then total distance = 37 km
If distance difference is 60 km then total distance = km
Distance between Dhaka and Chittagong is 444 km. (ans.)
Tamanna
2 years ago
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PRONAY TIRKI
2 years ago
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First train speed v1= 72*5/18 =20 ms-1
Second train speed v2=54*5/18=15 ms-1
Required time=(100+120)/(20-15)=44 second
Tanzir Ahmed
1 year ago
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