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Doctors Medicines MCQs Q&A

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A 180 liter mixture of syrup and water contains 20% of syrup. What quantity of syrup must be added with that mixture to get 25% syrup?
A 24 liters of cough syrup and water mixture contains cough syrup and water in the ratio 3 : 5. What liters of the mixture should be taken out and replaced with pure cough syrup so that the final mixture contains syrup and water in equal proportions?
Glucose isomerase is used extensively in the USA for production of high-fructose syrup. The reaction is ___________ Glucose ⇄ Fructose ΔH°rxn for this reaction is 5.73 kJ gmol-l; ΔS°rxn is 0.0176 kJ gmol-l K-l. Calculate the equilibrium constants at 50°C. (Given R = 8.3144J gmol-l K-l =8.3144×10-3 kJ gmol-lK-l).
Kulbhushan started a juice (syrup + water) counter. Initially, he had 140 litres of juice which had 40% water in it. He sold 30 litres of the juice. Then he added equal amounts of syrup and water. Now the ratio of water to syrup became 3 ∶ 4. What quantity of water was added?
A solution of ghee and sugar syrup contains 45% ghee. A process when applied decreases the quantity of ghee by one-eighth and the quantity of sugar syrup by one-fifth, each time it is applied. What is the minimum number(approx.) of times that the process must be applied so that the solution would have more ghee than sugar syrup?
A juice barrel contains fruit syrup and water in the ratio of 3 ∶ 5. When 4 liters of water is being added to juice, the new ratio of syrup to water becomes 1 ∶ 2, find the initial quantity of fruit syrup in the juice in liters.
A glass of 150 ml contains 15% syrup and rest water. How much water must be replaced with syrup to make syrup 35% of the mixture? 
A cough syrup bottle has the capacity to contain 450 ml of syrup. How much cough syrup can be filled in 25 such bottles?
Below are given statements. You have to take the given statements to be true even if they appear to be at variance with commonly known facts, and then decide which of conclusions logically follows from the given statements. For each question, mark out an appropriate answer choice that you think is correct. Statements: Some vitamins are minerals. No mineral is starch. Some starches are sugar. All sugars are fats. Conclusions: 1) Some fats are starch. 2) Some vitamins are starch. 3) Some sugars are not mineral.
A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup , How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?