Question (35/53)
A salesman travels a distance of 50 km in 2 hours and 30 minutes. How much faster in kilometres per hour on an average must he travel to make such a trip in 5/6 hours less time ?(A) 10 km/hr
(B) 20 km/hr
(C) 30 km/hr
(D) 40 km/hr
Question (36/53)
An aeroplane covers certain distance at a speed of 240 km/hr in 5 hours. To cover same distance in`1 2/3` hours, what must be its speed ?(A) 300 kmph
(B) 480 kmph
(C) 620 kmph
(D) 720 kmph