1.

A car covers 30 km at a uniform speed of60 km/hr and the next 30 km at a uniformspeed of 40 km/hr. Find the total time taken.

Answer»

Given:Distance d1=30kmspeed s1= 60km/hrtime= 30/60 = 1/2hr

distance d2=30kmspeed s2=40km/hrtime t2=30/40= 3/4hr

total time =t1+t2 =1/2+3/4=5/4hr



Discussion

No Comment Found

Related InterviewSolutions