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The speed of the train is inversely proportional to the number of wagons attached to it. The speed of the train is 90 km/hr when 12 wagons are attached to it and it crosses a platform in 23 s. Find the time in which the train will cross the platform when 10 wagons are attached to it.
An art gallery engages a security guard to ensure that the items displayed are protected. The diagram below represents the plan of the gallery where the boundary walls are opaque. The location the security guard posted is identified such that all the inner space (shaded region in the plan) of the gallery is within the line of sight of the security guard. If the security guard does not move around the posted location and has a 360° view, which one of the following correctly represents the set of ALL possible locations among the locations P, Q, R and S, where the security guard can be posted to watch over the entire inner space of the gallery.
The Lucknow-Indore Express without its rake can go 24 km an hour, and the speed is diminished by a quantity that varies as the square root of the number of wagon attached. If it is known that with four wagons its speed is 20 km/h, the greatest number of wagons with which the engine can just move is
Maximum No. of ________ explosive wagons can be attached to a goods train.
A tank has an optional adjustable outlet pipe that can be attached to the tank at any height we want. This outlet pipe drains water from the tank at a constant rate, while the tank is being filled using another inlet pipe at a constant rate. If the outlet, pipe is attached at half the height of the tank, the tank, which is initially empty gets filled in 18 hours. If the outlet pipe is attached at height equal to two third height of the tank, the tank, which is initially empty, is filled in 16 hours. In how many hours will the tank, which is initially empty, be completely filled if the outlet pipe is not attached to the tank?
At station where it is not possible to exchange the signal between Guard and Loco Pilot due to curvature the guard shall ask the LP to start the train on ________.
In the question, two statements are given, followed by two conclusions, I, and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements. Statement 1: Some wagons are buggies. Statement 2: All wagons are carts. Conclusion I: All buggies are carts. Conclusion II: Some carts are buggies.
Maximum number of explosive unit wagons in a mixed train is
Maximum number of Explosive unit wagons in a goods
Which of the following are the provisions of Article-164 of the Constitution ? (a) The Chief Minister shall be appointed by the Governor and the other Ministers shall be appointed by the Governor on the advise of the Chief Minister. (b) It shall be the duty of the Chief Minister to communicate to the Governor all decisions of the Council of ministers relating to administration of the state. (c) The Council of Ministers shall be collectively responsible to the Legislative Assembly of the state. (d) The total number of Ministers including Chief Minister shall not exceed fifteen per cent of the total number of members of the Legislative Assembly of the state.