1.

find the greatest number of four digit which is exactly divisible by 12,16 and 18

Answer»

12=2^2*316=2^418=2*3^2so LCM=2^4*3^2=144so number should be divisible by itso 9936 is the greatest number divisible by 144 so 9936 is exactly divisible by 12,16 & 18.



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