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A vendor has ten 20 litre bottles. He fills bottle 1 with 20 litres of petrol from a barrel containing 120 litres of pure petrol. He then adds 20 litres of kerosene to the barrel. He then fills bottle 2 with 20 litres of the mixture from the barrel and adds 20 litres of kerosene to the barrel. The process is repeated until all the 10 bottles are filled. What is the amount of kerosene in the 5th bottle?
  • a)
    3125/324 litres
  • b)
    3355/324 litres
  • c)
    125/4 litres
  • d)
    125/3 litres
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A vendor has ten 20 litre bottles. He fills bottle 1 with 20 litres of...
Petrol in 1st bottle = 20 litres.
Petrol in 2nd bottle = 20 x (100/120) = 20 x (5/6) litres.
Petrol in 3rd bottle = 20 x (5/6)2 litres.
Petrol in 5th bottle = 20 x (5/6)4 = 3125/324 litres.
 Kerosene in the 5th bottle = 20 - (3125/324) = 3355/324 litres Hence, option 2.
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A vendor has ten 20 litre bottles. He fills bottle 1 with 20 litres of petrol from a barrel containing 120 litres of pure petrol. He then adds 20 litres of kerosene to the barrel. He then fills bottle 2 with 20 litres of the mixture from the barrel and adds 20 litres of kerosene to the barrel. The process is repeated until all the 10 bottles are filled. What is the amount of kerosene in the 5th bottle?a)3125/324 litresb)3355/324 litresc)125/4 litresd)125/3 litresCorrect answer is option 'B'. Can you explain this answer?
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A vendor has ten 20 litre bottles. He fills bottle 1 with 20 litres of petrol from a barrel containing 120 litres of pure petrol. He then adds 20 litres of kerosene to the barrel. He then fills bottle 2 with 20 litres of the mixture from the barrel and adds 20 litres of kerosene to the barrel. The process is repeated until all the 10 bottles are filled. What is the amount of kerosene in the 5th bottle?a)3125/324 litresb)3355/324 litresc)125/4 litresd)125/3 litresCorrect answer is option 'B'. Can you explain this answer? for CAT 2024 is part of CAT preparation. The Question and answers have been prepared according to the CAT exam syllabus. Information about A vendor has ten 20 litre bottles. He fills bottle 1 with 20 litres of petrol from a barrel containing 120 litres of pure petrol. He then adds 20 litres of kerosene to the barrel. He then fills bottle 2 with 20 litres of the mixture from the barrel and adds 20 litres of kerosene to the barrel. The process is repeated until all the 10 bottles are filled. What is the amount of kerosene in the 5th bottle?a)3125/324 litresb)3355/324 litresc)125/4 litresd)125/3 litresCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for CAT 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A vendor has ten 20 litre bottles. He fills bottle 1 with 20 litres of petrol from a barrel containing 120 litres of pure petrol. He then adds 20 litres of kerosene to the barrel. He then fills bottle 2 with 20 litres of the mixture from the barrel and adds 20 litres of kerosene to the barrel. The process is repeated until all the 10 bottles are filled. What is the amount of kerosene in the 5th bottle?a)3125/324 litresb)3355/324 litresc)125/4 litresd)125/3 litresCorrect answer is option 'B'. Can you explain this answer?.
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