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HOW TO GET THE GREATEST NUMBER LESS THAN 900 WHICH IS DIVISIBLE BY 8,12 AND 28? PLEASE EXPLAIN BRIEFLY

The least number divisible by 8 ,12 and 28 is 84.
Multiple of 84 will be exactly divisible by each of the numbers 8 , 12 and 28.
Since the required number is not exceed 900,
required number = 84 * 10 =840.


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