Practice Problems on Trains – A jar contains 2 red, 3 blue, and 4 green marbles. Niki draws one marble from the jar, and then Tom draws a marble. What is the probability that Niki will draw a green marble and Tom will draw a blue marble?
Practice Problems on Trains – There are 3 red balls,3 green balls and 3 blue balls are present.what is the probability of atleast two of them are of same colour if 3 balls are drawn?
Practice Problems on Trains – A coin will be flipped five times. If the results are either 0, 1, 4, or 5 heads, you will receive Rs.10. If the results are 2 or 3 heads, you will have to pay Rs.5. What is your mathematical expectation?
Practice Problems on Trains – There are 3 red, 3 blue, 3 green marbles. What is probability that atleast two of them are of same color. If 3 marbles are done without replacement.
Practice Problems on Trains – A drawer holds 4 red hats. what is the probability of getting exactly 3 red or exactly 3 blue hats when taking out 4 hats randomly out of the drawer and immediately returning every hat to the drawer before taking out the next?
Practice Problems on Trains – A group consists of equal number of men and women. Of them 10% of men and 45% of women are unemployed. If a person is randomly selected from the group. Find the probability for the selected person to be an employee.
Practice Problems on Trains – A train travels at an average of 50 miles per hour for 2×1/2 hours and then travels at a speed of 70 miles per hour for 1×1/2 hours. How far did the train travels in the entire 4 hours?
Practice Problems on Trains – A is 25% bigger than B, B is 20% less than C, then the relation between A, B, C?
Practice Problems on Trains – A train is approaching a tunnel which is AB in length.Ther is a cat inside the tunnel which is 3/8 distance from the starting point of the tunnel.When the train whistes the cat starts to run.The train catches the cat exactly at the entry point of the tunnel.If the cat runs towards the exit,the train catches tha cat exactly at the exit point.The speed of the train is greater than the speed of the cat in what order?
Practice Problems on Trains – A man walks at speed of 8 km/h, 300 mtrs length train crosses man in 30 sec from back, find speed of train?
Practice Problems on Trains – A passenger train takes two hours less for a journey of 300km if its speed is increased by 5 kmph from its normal speed. The normal speed is
Practice Problems on Trains – Two trains at speed 60 km/hr comes in the opposite direction. At a particular time the distance between the two trains is 18km. A shuttle flies between the trains at the speed of 80 km/hr. At the time the two trains crashes what is the distance traveled by shuttle?
Practice Problems on Trains – A train traveling at 42 kms/ hr passes a cyclist going in the same direction in 9 secs. If the cyclist had been going in the opposite direction, the train would have passed him in 5 secs. Find the length of the train.
Practice Problems on Trains – Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is:
Practice Problems on Trains – Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is: