The distance between two places A and B is 150 km and there are 5 traffic signals between them. If a car runs at a constant speed of 60 km/h and stops at first, second, ……..., ……..., fifth signal for 1 minute, 2 minutes, ……..., ……..., 5 minutes respectively, then find the total time taken by the car to reach from A to B.

Shailu Sharma's image