Question:
A driver of an auto rickshaw sees a lorry m ahead of him .After 30 seconds the lorry 90 m behind. If the speed of the auto rickshaw is 38 km /hr, then what is the speed of the lorry?
20 km /hr | |
25 km /hr | |
23 km/hr | |
23 km/hr |
Answer:
20 km /hr
Last Updated:
10/11/2021 - 17:00