Question
Find the largest value of 'k' such that the number '29k654'
is divisible by 3.Solution
ATQ,
A number is divisible by 3 when the sum of its digits is divisible by 3.
Sum of digits of '29k654' = 2 + 9 + k + 6 + 5 + 4 = (k + 26)
(k + 26) is divisible by 3 when k = 1, 4, 7
Therefore, maximum value of 'k' = 7
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