Question
What is Grouped data based on class intervals
represented on a graph called?Solution
Grouped data based on class intervals can be represented by a histogram. There is no gap between the bars since the classes are continuous. It is a suitable form to represent a frequency distribution.
A train 450 metres long is running at a speed of 54 km/hr. If it crosses a tunnel in 1 minute, then the length of the tunnel (in meters) is:
Length of a train is double the length of a platform. If the train crosses the platform in 72 seconds, then find the time taken by train to cross a pole.
Train 'K' leaves at 6:00 PM on Saturday from Ahmedabad station and reaches Surat station at 8:00 AM the next day, while train 'L' leaves at 7:00 PM on S...
A train covers a certain distance at a speed of 40 km/h and the next same distance with a speed of 70 km/h and the next same distance with a speed of 12...
A 160 m long train crosses another 290 m long train running in the opposite direction in 10 seconds. If the shorter train crosses a pole in 9 seconds, w...
Two trains of same length are running in parallel tracks in the same direction with speed 61 km/hr and 115 km/hr respectively. The latter completely cro...
Two cars start from a place with a speed of 50 km/hr at an interval of 12 minutes. What is the speed of a man coming from the opposite direction towards...
The ratio of the length of two trains P and Q is 5:6 and the ratio of the time taken by both trains to cross a man standing on a platform is 2:3. If the...
A train takes 16 seconds to pass a pole and 36 seconds to cross a platform 250 meters long. Calculate the total distance the train would cover if it tra...
Without stopping the speed of the train is 135 kmph, with stopping the speed of the train is 90 kmph.Find the stop time of the train?
