The Quantitative Aptitude Section is one of the scoring sections of the bank examination. The Quantitative Aptitude is definitely be helping you if practicing it with Sincerity. 21st July 2020 SBI Clerk Mains Quiz Based on- Mixture & Allegation, Pipes & Cistern and Approximation. Stay with Bankers Adda for the latest Quizzes, Study notes, Test series, and other helpful study material.
Q1. A manufacturer has 200 litres of Acid solution which has 15% acid content. How many litres of solution with 30% Acid content may be added so that Acid content in the resulting mixture will be more than 20% but less than 25%
(a) More than 100 litres but less than 300 litres
(b) More than 120 litres but less than 400 litres
(c) More than 100 litres but less than 400 litres
(d) More than 120 litres but less than 300 litres
(e) None of these
Q2. A jar was full of milk. A person used to draw out 20% of the milk from the jar and replaced it with sugar solution. He has repeated the same process 4 times and thus there was only 512 gm of milk left in the jar, the rest part of the jar was filled with the sugar solution. The initial amount of the milk in the jar was :
(a) 1.25 kg
(b) 1 kg
(c) 1.5 kg
(d) Cannot be determined
(e) None of these
Q3. Two pipes A and B can fill a tank in 15 hours and 20 hours respectively while a third pipe C can empty the full tank in 25 hours. All the three pipes are opened in the beginning. After 10 hours, C is closed, In how much time, will the tank be full?
(a) 12 hrs
(b) 13 hrs
(c) 16 hrs
(d) 18 hrs
(e) 14 hrs.
Q4. A cistern can be filled by two taps A and B coming from the same main pipeline in 20 and 30 minutes respectively. Both the taps are opened at the same time but due to partial closing of a valve in the main pipeline tap A was supplying only 4/5th of its capacity and tap B, 5/6th of its capacity. After some time, the valve in the main pipeline was opened fully thereby enabling the two taps to supply at full capacity. It took another 5 minutes to fill the cistern completely. What was the time for which the main pipeline was get partially closed?
(a) 7 minutes
(b) 9 minutes
(c) 11 minutes
(d) 13 minutes
(e) 6 minutes
Q5. Two pipes A and B can fill a tank in 20 hours and 25 hours respectively and a third pipe C can empty the tank in 50 hours. All of three pipes opened together and after some times pipe C is closed. If total time to fill the tank from beginning is 13 hours, find after how much time pipe C was closed?
(a) 11 hrs
(b) 9 hrs
(c) 8.5 hrs
(d) 7.5 hrs
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