UPSC Number System (HCF/LCM) — Previous Year Questions
All 3 UPSC questions on Number System (HCF/LCM) from 2024 to 2025 — with answers and detailed explanations.
2025(1 questions)
2024(2 questions)
Prelims · CSAT
Q18. 18. 421 and 427, when divided by the same number, leave the same remainder 1. How many numbers can be used as the divisor in order...
Prelims · CSAT
Q19. 19. A can X contains 399 litres of petrol and a can Y contains 532 litres of diesel. They are to be bottled in bottles of equal si...
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