question_answer

Amit start his journey from Delhi to Jaipur at a speed of 50km/hr. After travelling certain distance, he realized that he has travelled only 40 % of the distance and he has already consumed half of the permissible time. At what speed, he should travel the remaining distance in order to      reach his destination in permissible time.

A) 75 km/ hr          

B) 80 km/ hr    

C) 65 km/ hr                                              

D) 72 km/ hr

E) None of these