Question
A mixture contains milk and water in the ratio of 3:2
respectively. If 20 litres of milk and 20 litres of water are added to this mixture, then respective ratio of milk and water changes to 10:7, respectively. Find the initial quantity of the mixture. STSolution
Let, amount of milk and water in mixture be 3x litres and 2x litres respectively. According to question, ⇒ (3x + 20): (2x + 20) = 10:7 ⇒ 21x + 140 = 20x + 200 ⇒ 21x – 20x = 200 – 140 ⇒ x = 60 So, initial quantity of mixture = 60 × (2 + 3) = 300 litres
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Only a few P are Q
Only a few Q are R ...
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I. No Reel is a Real.
II. Some Account are not Reel.
III. Some Reel are Hack.
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Mostly hospitals are courts
Some courts are parlours
Conclusions:
I...
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Some candles are matches.
Some matches are rockets.
Conclusion:
I. Atleast some rockets are candles.
II. No rocket is a candle.
In the question below are given some statements followed by some conclusions. You have to take the given statements to be true even if they seem to be ...
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A few Red is Green.
60% Black is Green.
Only Green is Pink.
Conclusion:
I. No Pink is Black.
II. Some Black is Red.
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All petrol are diesel.
Only a few petrol are coal.
Some diesel are kerosene.
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All coal be...
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All Pens are pencil.
Only Pencils are Laptop.
Only Pens are Mobile.
Only Pencils are Book.
Conclusion :...
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All white are orange.
Some Orange are blue.
Conclusions:
I. No red is blue.
II. N...
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Only Subjective are Information.
A few Subjective are Solutions.
Conclusion...
