The distance between two places A and B is 370 km the 1st car departs from place A to B at a speed o...........

Quant (SSC) Time & distance

The distance between two places A and B is 370 km. the 1^st car departs from place A to B, at a speed of 80 kmph at 10 am and 2^ndcar departs from place B to A at a speed of 50 kmph at 1 pm. At what time both cars meet each other?

2 : 30 pm

2 : 00 pm

2 : 10 pm

2 : 20 pm

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Explanation:

Total distance = 370 km
A------------370 km------------B
Now, the distance covered by first car in (10 am to 1 pm =) 3 hours
= 80 × 3 = 240 km
Remaining distance = 370 – 240 = 130 km
A--------240 km------------/------130 km-------B
Relative speed = 80 + 50 = 130 kmph
Now, they cover 130 km in (130/130 = 1/1 hrs) = = 60 mins
So, they meet 60 mins after 1 pm.
So, reqd answer = 2 : 00 pm.