- A18
- B40
- C22
- D20
Step-by-Step Solution
Let numbers be 3k and 4k. Since 3 and 4 are co-prime, HCF = k and LCM = 12k. 12k = 240 -> k = 20. HCF = 20.
Answer: D) 20
Two numbers are in the ratio 3 : 4 and their LCM is 240.
What is their HCF?
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