In a company, 20% of the employees work in the manufacturing department. If the total salary obtained by all the manufacturing employees is one-sixth of the total salary obtained by all the employees in the company, then the ratio of the average salary obtained by the manufacturing employees to the average salary obtained by the
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There are three persons A, B and C in a room. If a person D joins the room, the average weight of the persons in the room reduces by kg. Instead of D, if person E joins the room, the average weight of the persons in the room increases by kg. If the weight of
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Anil mixes cocoa with sugar in the ratio 3 : 2 to prepare mixture A, and coffee with sugar in the ratio 7 : 3 to prepare mixture B. He combines mixtures A and B in the ratio 2 : 3 to make a new mixture C. If he mixes C with an equal amount
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A mixture P is formed by removing a certain amount of coffee from a coffee jar and replacing the same amount with cocoa powder. The same amount is again removed from mixture P and replaced with the same amount of cocoa powder to form a new mixture Q. If the ratio of coffee and cocoa
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A vessel contained a certain amount of a solution of acid and water. When 2 litres of water was added to it, the new solution had a 50% acid concentration. When 15 litres of acid was further added to this new solution, the final solution had an 80% acid concentration. The ratio of water and
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Rajesh and Vimal own 20 hectares and 30 hectares of agricultural land, respectively, which are entirely covered by wheat and mustard crops. The cultivation area of wheat and mustard in the land owned by Vimal are in the ratio of 5 : 3. If the total cultivation area of wheat and mustard are in the
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There are four numbers such that the average of the first two numbers is 1 more than the first number, the average of the first three numbers is 2 more than the average of the first two numbers, and the average of the first four numbers is 3 more than the average of the first
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A glass is filled with milk. Two-thirds of its content is poured out and replaced with water. If this process of pouring out two-thirds of the content and replacing it with water is repeated three more times, then the final ratio of milk to water in the glass is:
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A certain amount of water was poured into a 300-litre container and the remaining portion of the container was filled with milk. Then an amount of this solution was taken out from the container which was twice the volume of water that was earlier poured into it, and water was poured to refill the container
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The average of three distinct real numbers is 28. If the smallest number is increased by 7 and the largest number is reduced by 10, the order of the numbers remains unchanged, and the new arithmetic mean becomes 2 more than the middle number, while the difference between the largest and the smallest numbers becomes
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