# A car takes 2 hours to reach a destination by travelling at 60 km/hr. How long will it take while travelling at 80 km/hr?A. 1 hr 30 minB. 1hr 40 minC. 2hrs 40 minD. none of these

More the speed, lesser the time to travel. So, it is an inverse proportion.

Let the required time be x hr.

2 × 60 = 80 × x

x = = 1.5 hours = 1hour 30 minutes

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