- A9960
- B9999
- C9900
- D9840
Step-by-Step Solution
LCM(12,15,20) = 60. Greatest 4-digit number = 9999; 9999 / 60 gives remainder 39, so 9999 - 39 = 9960.
Answer: A) 9960
Find the greatest number of 4 digits which is exactly divisible by 12, 15 and 20.
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