Which of the following can be the value of ‘k’
Which of the following can be the value of ‘k’ so that the number 217924k is divisible by 6?
निम्नलिखित में से कौन- सा ‘k’ का मान हो सकता है जिससे कि संख्या 217924k, 6 विभाज्य हो?
Detailed Solution & Logic
Correct Answer:
2
Divisible by 6 = divisible by 2 and 3
Divisible by 2 k must be even (2,4,6)
Sum of digits = 2+1+7+9+2+4+k = 25+k
25+k divisible by 3
Check options:
k=2 25+2=27 divisible by 3
k=425+4=29 not divisible by 3
k=6 25+6=31 not divisible by 3
k=5 not even
k=2
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