The correct answer is D
A boy can swim a certain distance downstream in 5 hours and return in 7 hours. If the rate of stream is 4 kmph then what is the speed of boy in still wa...
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...
‘G’ and ‘H’ started moving towards each other at the same time with a speed of 40 km/hr and 30 km/hr, respectively. If the distance covered by â...
The speed of two cars A and B are in the ratio of 9:12 respectively. Car A travels 15 km less than the car B in the same time duration. What was the dis...
Vicky and Vikram start running simultaneously around a rectangular track of length 1500m from the same point at speeds of 50 km/hr and 40 km/hr. When wi...
On a circular racetrack that measures 4,000 meters in circumference, Kia and Sia begin a race at the same point and at the same time, traveling at speed...
1200 metres long train crosses a man who is moving in the same direction with a certain speed, in 30 seconds. If the same train can cross a tree in 20 s...
A person crosses a 2400 m long street in 12 min. What is his speed (in km/h)?
A man is travelling at a speed of 20 km/h such that he will take 60 minutes to reach his destination. But after completing half the journey, the man too...
A thief is noticed by a policeman from a distance of 97 m. The thief starts running and the policeman chases him. The thief and the policeman run at a ...
