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What amount of 57 octane should be mixed with 3 liters of 63 octane to obtain 4 liters of 59 octane?
The acid and water in the two containers are mixed in the ratio of 3 : 1 and 5 : 3 respectively. In order to obtain a new mixture, in which the ratio of acid and water is 2 : 1, in what ratio should the two types be mixed? A. 1 : 2 B. 2 : 1 C. 2 : 3 D. 3 : 2
A 60% spirit solution is mixed with r% spirit solution in the ratio 1 : 3 such that a s% spirit solution is obtained. When a (s/3)% spirit solution is mixed with 55% spirit solution in equal ratio, an (r/2)% spirit solution is obtained. Which of the following can be determined? (A) Value of ‘r’ (B) Value of ‘s’ (C) Volume of the 60% spirit solution mixed initially (D) If 9 liters of r% spirit solution was mixed initially, what was the volume of the s% spirit solution thus obtained?
A mixed juice was prepared by mixing orange, apple and pineapple juices in the ratio 18 ∶ 16 ∶ 3 respectively. On adding 8 litres of orange juice and 4 litres of pineapple juice, the ratio of mixed juice changes to 5 ∶ 4 ∶ 1. How much apple juice should be further added to it, so that the ratio of mixed juice becomes 10 ∶ 9 ∶ 2?
Two vessels A and B contain spirit and water mixed in the ratio 5 : 2 and 7 : 6 respectively. Find the ratio in which these mixtures be mixed to obtain a new mixture in vessel C containing spirit and water in the ratio 8 : 5 ?
কোন পন্যের পুর্বমূল্যঃ বর্তমান মূল্য = ৫ঃ৭ হলে শতকরা মূল্য বৃদ্ধির পরিমাণ কত?
Iso-octane is used as a reference substance in the definition of octane number and it is assigned an octane number value of 100. Iso-octance is chemically known as
Two liquids A and B are in the ratio 5:1 in container 1 and in the ratio 1:3 in container 2. In what ratio should the contents of the two containers be mixed so as to obtain a mixture of A and B in the ratio 1:1?
Two varieties of coffee costing Rs. 180 per kg and Rs. 150 per kg are mixed in the ratios 4 : 5 and 3 : 7 to form blend T1 and T2 respectively. T1 and T2 are mixed in a certain ratio and the resulting mixture is sold at Rs. 240 per kg at a profit of 50%. What is the ratio in which T2 and T1 are mixed?
Alloys A and B contain copper and zinc in the ratio 7 ∶ 8 and 4 ∶ 1, respectively. In what ratio should A and B be mixed to obtain a new alloy C containing copper and zinc in the ratio 2 ∶ 1?