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A cylinder vessels of height 5 cm and radius 4 cm is completely filled with sand. When this sand is poured out it forms a right circular cone of radius 6 cm. What will be the height of this cone?

10 persons begin to work together on a job but after some days 4 persons leave. As a result, the job which could have been completed in 40 days is completed in 50 days. How many days after the commencement of the work did the 4 persons leave?

author of India 2020 : A vision for the new millennium

if the volume of two right circular cones are in the ratio 1:4 and there diameters of bases are in the rario 4:5 then their heivht will be in the ratio :

Some one please explain to me on the solution to this problem.

Hi, There is something wrong with the 15 min tests in the video series section(all sections). I am not able to select any answer or submit any test. Please help asap as not much time left for CAT.

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i want important current gk question for railway

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