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Distance covered in 4/60 hours = (4 + 4/2) = 6 km Distance covered in 1 hour = 6 x (60/4) = 90 km/hr So, speed of the train = 90 km/hr
A bus takes 6 hours to travel from city P to city Q. If the speed was reduced by 10% after covering 120 km, it takes 30 more minu...
A aeroplane covers a distance of 7200 km in 80 hours. What is the speed (in kmph) of the aeroplane?
‘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 distance covered by ‘Aâ...
A thief stole Mayank’s purse and the theft is reported at 10 am and police started chasing the thief at 1:00pm. How much time the police took to c...
A cheetah can catch a deer running with a speed of 72 km/h and is 72 meters ahead of it, in 8 seconds. Find the time taken by the cheetah to catch a zeb...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 27 km/hr and 15 km/hr, respectively. If the distance covered by ‘Aâ...
If 'P' reduces his speed by 40% of his original speed, he arrives at his destination 3 hours later than usual. How much time would he take to reach his ...
A train overtakes two persons walking along a railway track. The first one walks at 3.2 Km/h. The other one walks at 4.5 Km/h. The train needs 5.5 and 5...
A man running with the speed of 45 km/hr covers a certain distance in ‘x’ hours. If the same distance can be travelled with a speed of 50 km/h in (x...