(a) 300 kmph
(b) 360 kmph
(c) 600 kmph
(d) 720 kmph
Explanation:
Distance = (240 x 5) = 1200 km.
Speed = Distance/Time
Speed = 1200/(5/3) km/hr. [We can write 1(2/3) hours as 5/3 hours]
Required speed = 1200 x (3/5) km/hr
= 720 km/hr.
(a) 300 kmph
(b) 360 kmph
(c) 600 kmph
(d) 720 kmph
Explanation:
Distance = (240 x 5) = 1200 km.
Speed = Distance/Time
Speed = 1200/(5/3) km/hr. [We can write 1(2/3) hours as 5/3 hours]
Required speed = 1200 x (3/5) km/hr
= 720 km/hr.
© Copyright 2018 - BestMcqs