Length of train X = 40 × 54 × (5/18) = 600 m Length of train Y = (600/2) × 1 = 300 m => t = (600 + 300)/[(54 + 90) ×(5/18)] = 22.5 sec Required value = (t + 11) = 22.5 + 11 = 33.5
Barry and Iris set off simultaneously from point A, aiming to reach point B. Barry travels faster than Iris, with their speeds being in a ratio of 5:3. ...
A,B and C run around a Circular track starting from the same point simultaneously and in the same direction at the speed of 8 kmph, 12 kmph and 16 kmph ...
A car travels at the speed of 40 km/hr. for the first half of the journey and at the speed of 60 km/hr for the second half of the journey. What is the a...
X started to run from point ‘A’ to ‘B’ at a speed of 21 km/hr at 9:00 am and Y started to run from point ‘B’ to ‘A’ at a speed of 18 km/...
3 runners run together in the same direction from a place on a circular path of 16 km and their speeds are 4, 6, and 8 km/h, in how many hours will they...
A vehicle was scheduled to complete a 360 km journey in 6 hours. For the initial 4 hours, it maintained a steady speed of 56 km/h. At what minimum speed...
Two trains depart from the same station. The first train departs at 8:00 A.M., traveling at a speed of 60 km/h. Two hours later, at 10:00 A.M., the seco...
A man travels some distance at a speed of 15 km/hr and returns at a speed of 9 km/hr. If the total time taken by him is 2 hrs 40 min, the distance is
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...
A train travelled for the first 120 km at a certain speed in 3 hours. After that, the speed of the train decreased by 5 km/h. If the train took a total ...
