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UPSC 2007: A person has to completely put each of three liquids – 403 litres of petrol, 465 litres of diesel and 496 litres of mobile oil – in bottles of equal size without mixing any of the three types of liquids such that each bottle is completely filled. What is the least possible number of bottles required?
(a)34
(b)44
(c)46
(d)None of the above
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Not attemptedCorrect Answer: (b) 44
The largest possible bottle size is the HCF of 403 L, 465 L and 496 L, which is 31 L. Total volume = 1364 L, so the least number of bottles is 1364 ÷ 31 = 44. ([bissoy.com](https://www.bissoy.com/mcq/501567?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2007 Science & Technology question?▼
The correct answer is option (b): 44. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Quantitative Aptitude question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2007, GS Paper 1, as Question 144. It falls under Science & Technology > Quantitative Aptitude.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Quantitative Aptitude?▼
UPSC has asked 178 questions from Quantitative Aptitude (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.