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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?
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.
Under the Transfer of Property Act, 1882, "attached to earth" means:
(1) routed in the earth, as in the case of trees and shrubs;
(2) imbedded in the earth as in the case of walls and buildings; or
(3) attached to what is so imbedded for the permanent beneficial enjoyment of that to which it is attached.
একটি পানিপূর্ণ কুয়ার গভীরতা 20m ও ব্যাস 2 m. কুয়াটিকে পানি শূণ্য করার জন্য 5 HP এর একটি পাম্প লাগানো হল। অর্ধেক পানি তোলার পর পাম্পটি নষ্ট হয়ে গেল। বাকি পানি তোলার জন্য একই ক্ষমতা সম্পন্ন আর একটি পাম্প লাগানো হল। প্রথম পাম্প দ্বারা সম্পাদিত কাজের পরিমান নির্ণয় কর।(The depth and diameter of a water filled well are 20 m and 2 m respectively. An engine of 5 HP is attached to pump out the water. The pump was ruined after emptying half of the water. Then another pump of same capacity was attached to pump out rest of the water. Determine the work done by first pump.) 
The reduction in the speed of an engine is directly proportional to the square of the number of bogies attached to it. The speed of the train is 100 km/hr when there are 4 bogies and 55 km/hr when there are 5 bogies. What is the maximum number of bogies that can be attached to the train so that it can move?
A two member frame is pin connected at O, Y and X (as shown in figure). The cable is attached to W, passes over smooth peg at Z and is attached to load of 500 N. Determine vertical components of reactions at pin O, Y and X.
A mass m1 attached to a shaft at radius r1, rotating with angular velocity ω rad/s, can be balanced by another single mass m2 which is attached to the opposite side of the shaft at radius r2, in the same plane, if
A sliding member AB has attached to a rocker BC, this BC is attached to crank CD. D is fixed end and as crank is rotating about D the slider slides parallel to it. What is the locus of point P on any point on the rocker?
A sliding member AB has attached to a rocker BC, this BC is attached to crank CD. D is fixed end and as crank is rotating about D the slider slides parallel to it. What is the locus of C?
In primary alkyl halides, carbon attached to the halogen atom is further attached to how many carbon atoms?