Quantitative Aptitude is one of the scoring sections of the bank examination. If you clear your basics and practice more and more quizzes and also follow a proper study plan, you can easily crack the exam. RBI Assistant Exam is one of the most prestigious exams in the Banking Sector. 6th July 2020 RBI Assistant Mains Quiz Based on- Mixture & Allegation, Average, Ages, Percentage and DI.
Q1. One type of mixture contains 25% of milk the another type of mixture contains 30% of milk. A container is filled with 6 parts of the first mixture and 4 parts of the second mixture. The percentage of milk in the mixture is .
Q2. Two gallons of a mixture of spirit and water contains 12% of water. They are added to 3 gallons of another mixture, containing 7% of water, again half of a gallon of water is added to the whole mixture. Find percentage of water in the resulting mixture .
(a) 190/11 %
(b) 188/11 %
(c) 155/11 %
(d) Cannot be determined
(e) None of these
Q3. The ratio of milk to water in three containers of equal capacity is 3 : 2, 7 : 3 and 11 : 4 respectively the three containers are mixed together. What is the ratio of water to milk in final mixture?
(a) 38 : 17
(b) 21 : 11
(c) 61 : 29
(d) 29 : 61
(e) 11 : 21
Q4. One test tube contains some acid and another test tube contains an equal quantity of water. To prepare a solution, 20 l of the acid is poured into the second test tube and then two-third of the so formed solution is taken out from the second tube and poured into the first. If the fluid in the first test tube is four times that in the second, what quantity of the water was initially in the test tube?
(a) 80 l
(b) 60 l
(c) 40 l
(d) 100 l
(e) 120 l
Q5. A bottle is full of Dettol. One-third of it is taken out and then an equal amount of water is poured into the bottle to fill it. The operation is done four times. Find the final ratio of Dettol and water in the bottle.
(a) 13 : 55
(b) 10 : 37
(c) 16 : 65
(d) 5 : 24
(e) 65 : 16
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