the distance between two cities a and b is 160 km. a car rider starts from A towards B at 7 o clock in the morning at speed of 30 km/hr. Another car starts at 7.30am at the speed of 35km/hr from B to A. Find, when they will cross each other
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pranjal56:
can't understand anything
a start at 7:00 and b start 7:30 then in 30 min a already coverd 15km of total distance
now distance to cover =145
relative speed =30+35=75
now we get time =145/75
1 hr and 14/15 min
14/15 mins 56 min
add it in 7:30
7:30+1:56=9:26
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