1.

Greatest 3 digit number which when added to 45 , is exactly divisible by 6,8,12 will be

Answer»

First find the lcm of 6,8,12, which is 24 now find the greatest three DIGIT number that is divisible by 24,

How to find it, simply divide 999 by 24, WHATEVER the remainder you will get SUBTRACT it from 24 that is your number, which is 984.
Now our REQUIRED number is 984-45=939



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