Question
Which chemical element of Group 18 of the periodic table
is produced by the natural radioactive decay of uranium in soils and rocks?Solution
The correct answer is C
There are 8 inlet and (x-4) outlet pipes attached to a tank. Each inlet pipe takes 24 hours to fill the tank, and each outlet pipe empties the fully fil...
Two inlet pipes 'A' and 'B' can fill an empty tank in 60 minutes and 120 minutes, respectively. Another outlet pipe 'C' can empty the tank in 240 minute...
A tank has two inlet pipes and one outlet pipe. Pipe A can fill the tank in 4 hours, and Pipe B can fill it in 6 hours. The outlet pipe C can empty the ...
Pipe L can empty the tank which is 45% filled in 9 hours. The time taken by pipe K and J together to fill an empty tank completely in 7.5 hours. Pipe J ...
A tank has two inlet pipes A and B and an outlet pipe C. Pipe A can fill the tank in 6 hours, and Pipe B can fill it in 8 hours. Pipe C can empty the fu...
A pipe, working by itself, can fill an empty cistern in 36(4/11) minutes. However, due to a leak, the same pipe now takes 50 minutes to fill the cistern...
Pipe ‘A’ and pipe ‘B’, together can fill 20% of a tank in 8 hours while pipe ‘C’ takes 50 hours to empty it. ...
Pipe ‘A’ takes 24 hours to fill a tank. Pipe ‘B’ takes 72 hours to empty the same tank. If both are opened together, how long will it take to fi...
An inlet pipe can fill an empty tank in 36 minutes whereas an outlet pipe can empty the fully filled tank in 54 minutes. Find the time taken by both the...
Pipe ‘A’ takes 30 hours to fill a tank. Pipe ‘B’ takes 90 hours to empty the same tank. If they are opened together, then 60% of the tank will b...
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