A car travels first 160 km at 64 km/hr and the next 160 km at 80 km/hr. What is the average speed for the first 320 km of the tour? A. 70.24 km/hr B. 74. 24 km/hrC. 71.11 km/hr D. 72.21 km/hr
A man takes 5 hours 45 min in walking to a certain place and riding back. He would have gained 2 hours by riding both ways. The time he would take to walk both ways is_________? A. 11 hrs B. 8 hrs…
In a journey of 24 miles, two thirds of the distance was travelled with a speed of 40 mph and the remaining with 60 mph. How much time did the journey take? A. 14.4 minutes B. 20 minutes C. 28.8 minutesD. 32 minutes (2/3)*24=16…
A man travels a distance of 2 km by walking at a speed of 6 km/hr. He returns back at a speed of 4 km/hr. What is his average speed? A. 4.5 kmphB. 4.8 kmph C. 5 kmph D. 5.1 kmph Time taken for…
A man rows at a speed of 6 km/hr in still water. If the time taken to row a certain distance upstream is 4 times the time taken to row the same distance downstream, what is the speed of the…
Two trains 140 metres and 120 metres are running in the same direction with speeds 40 kmph and 60 kmph respectively. In what time will the faster train pass the slower one? A. 0.60 minutes B. 0.36 minutesC. 0.78 minutes D. 0.42 minutes Total…
Yalmaz can cover a distance of 400 metres in 2 minutes. Rayan can cover 1 km in 300 seconds. Find the ratio of their speeds. A. 2:5 B. 4:3 C. 1:2D. 1:1 Rayan’s speed = 1000/300 = 3.33 m/s Hence Ratio = 1:1
If the ratio of the speeds of A and B to cover a distance of 200 m is 3:4, then the ratio of the time taken to cover the same distance is________? A. 6:8 B. 3:7 C. 5:4D. 4:3 If the ratio of the…
A car can travel 360km with a ¾ full tank. How many km can it travel with a 2/3 full tank? A. 400B. 320 C. 240 D. 300 With a full tank, it can travel 360*4/3 = 480 km With 2/3 full tank, it…
A boats man can row in still water at speed of 7 km/hr. It takes 6 hours more to travel the same distance in upstream than in downstream if the speed of the river is 3 km/hr. what is the…