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      Question

      Find the greatest number of four digits which is exactly

      divisible by 12, 15, 20 and 35?
      A 9970 Correct Answer Incorrect Answer
      B 9980 Correct Answer Incorrect Answer
      C 9660 Correct Answer Incorrect Answer
      D 9930 Correct Answer Incorrect Answer

      Solution

      Largest four digit number = 9999 So when 9999 is divided by LCM of 12,15 , 20 & 35 (i,e.420) , remainder is 339, So when 339 is subtracted from 9999, it will be completely divided by 420 & answer will be = 9999 – 339 = 9660.

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