Problem 1: A car driver travels from the plains to the hill station which is 200km apart at an average speed of 40 km/h in return trip he covers the same distance at an average speed 20 km/h the average speed of the car over the entire distance of 400km?
Problem 2: During a journey, a man covered 50 km at a speed of 25km/hr. He covered the remaining 70km at a speed of 35km/hr. Find the average speed of the man?
Problem 3: A man covered rd of his at a speed of 20km/hr, th of remaining at the speed of 25km/hr, and the remaining journey at a speed of 30km/hr. Find the average speed of the man?
Assume distance is 300 which is divisible by 3 and 4
Average speed =
Problem 1: The average speed of a bus excluding the stoppage is 54km/hr and the average speed including stoppage is 45km/hr. Then how many minutes did the bus stop per hour?
Problem 2: A man traveled from the village to the post office at the rate of 25km/hr and walked back at the rate of 4km/hr. If the whole journey took 5hours 48 minutes. Find the distance of the post office from the village?
Given time =5 hours 48 minutes
distance=Speed * time
Problem 3: Walking at 3km/hr, a boy reaches school 5 min late. If he walks at 4km/hr he reaches his destination 5 min early find the distance between his home and school?
Assume distance=x km
Problem 1: A starts running at the speed of 50km/hr. After each half hour, its speed increased by 10km/hr. How much distance will be covered by it in 3 hours?
Problem 2: An express train traveled at an average speed of 100km/hr stopping for 3 min after every 75km. How long it takes to reach its destination 600 km from starting point?
Total time=6 hours 21 minutes
Problem 3: Two trains X and y starts from station A and B towards B to A respectively. After passing each other they take 4 hours 48 min and 3 hours 28 min to reach B to A respectively. If train X is moving 60km/hr then find the speed of train ‘y’?
Problem 1: A former traveled a distance of 61 km in 9 hours. He traveled part on foot at the rate of 4km/hr and partly in bicycle at the rate of 9 km/hr. The distance traveled on foot is?
61= 4x + 81-9x
Problem 2: Gopal can walk a certain distance in 40 days when he rests 9 hours a day. How long will he take to walk twice the distance twice as fast and rest twice as long each day?
In 24 hours he takes 9 hours rest
Problem 3: A policeman starts to chase a thief when the thief goes to 10 steps the police moves 8 steps. 5 steps of policeman are equal to 7 steps of the thief the ratio of the speed of the policeman and thief is?
let thief=t , policeman=p
t : p = 8 : 10
t : p =5 : 7
Problem 1: In a flight of 600 km, an aircraft slowed down due to bad weather. Its average speed for the trip was reduced by 200km/hr and the time of flight increased by 30 minutes. The duration of the flight is?
Let speed of flight is x
Problem 2: A goods train leaves a station at a certain time and at a fixed speed. After 6 hours, an express train leaves the same station and moves in the same direction at a uniform speed of 90kmph. This train catches up the goods train in 4 hours. Find the speed of the goods train?
Problem 3: A monkey tries to ascend a greased pole 14m high. He ascends 2meters in the first minute and slips down one meter in the second minute. If he continues to ascend in this fashion how long does he takes to reach the tom?
2 minutes———->1 meter
12*2 minutes——->1 meter *12
24 minutes———->12 meter
1 minute————>2 meter
25 minutes ——->14 meter
In 25 minutes the monkey reached 14 meters tomb.