Question

A car takes 6 hours to cover a distance of 540km.how much should the speed in km/hr be maintained to cover the same distance in 3/2 of the previous time
A) 60km/hr
B) 62km/hr
C) 75km/hr
D)77km/hr​

Answer 1

Step-by-step explanation:

d1= 540; t1= 6 hr

speed1= d1)t1= 540/6 = 90km/hr

d2= 540 t2= 3/2*6= 9 hr

soeed2= 540/9= 60km/hr

option A

Answer 2

Answer:

*A)60 km/hr ans......

Step-by-step explanation:

*Time=6 hours..... Distance=540 km.....

*3/2 of the previous time=3/2×6=9 hours....

*Now,Time=9 hours and Distance=540 km.

*Speed=Distance/Time..

=(540/9)km/hr..

=60 km/hr.... ans............