The greatest 4 digit number which is exactly divisible by each one of the numbers 12, 18, 21 and 28 = ?
  • 19288
  • 29882
  • 39828
  • 49928
Answer:- 1
Explanation:-

Solution:
The greatest 4 digits number is 9999
The LCM of 12, 18, 21, 28 is 252
On dividing 9999 by 252 the remainder comes out to 171
Required number = 9999 - 171 = 9828

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