Speed of the boat in still water = 140 ÷ 14 = 10 km/h Speed of current = 10 × 0.25 = 2.5 km/h Therefore, upstream speed of the boat = 10 – 2.5 = 7.5 km/hr Required time taken = 82.5 ÷ 7.5 = 11 hours
‘A’ and ‘B’ started moving towards each other at same time with a speed of 15 km/hr and 10 km/hr, respectively. If the di...
A passenger train takes 3 hours less for a journey of 180 km, if its speed is increased by 2 km/hour from its usual speed. Find the usual speed of the t...
A cheetah can catch a deer running with a speed of 36 km/h and is 45 meters ahead of it, in 12 seconds. Find the time taken by the cheetah to catch a ze...
Average speed of ‘A’ during a 24-hour journey is 40 km/h. If he covered the first 150 km of his journey at a speed of 25 km/h, then find the speed a...
The ratio of the speed of car to that of a train is 15:22. If the speed of the train is 35 Km/hr more than that of the car, what is the speed of the car?
A man is travelling at a speed of 60 km/h such that he will take 80 minutes to reach his destination. But after completing half the journey, the man too...
Which of the following can be true?
i. R reached the destination in 5hrs and P reached the destination in 3 hrs
ii. R reached the desti...
A man travels some distance at a speed of 15 km/hr and returns at a speed of 9 km/hr. If the total time taken by him is 2 hrs 40 min, the distance is
The distance between two points 'G' and 'H' is 2,700 km. Piyush and Rohan can cover the distance between 'G' and 'H' in 54 hours and 45 hours, respectiv...
In a Drag race of 'm' metres, 'Amit' beats 'Binod' by 'a' metres and 'Binod' beats 'Chintu' by 'b' metres. By how much distance (in metres) will 'Amit' ...
