Question 81

Let x be the smallest number, which when added to 2000 makes the resulting number divisible by 12, 16, 18 and 21. The sum of the digits of x is

Solution

L.C.M. of 12,16,18,21 is 1008

then multiply by 2 =1008×2=2016

sum of the number of 16 is 1+6=7

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