Two men 'A' and 'B' simultaneously start walking towards each other from point 'P' and 'Q' respectively. The speed of 'A' and 'B' are in the ratio of 3 : 2 respectively. If the distance between points P and Q is 20 km and A and B meet after 192 minutes then find the time taken by 'A' to cover 54 km?
1
10 hours 24 minutes
2
11 hours 24 minutes
3
12 hours 24 minutes
4
13 hours 24 minutes
5
14 hours 24 minutes