Below is a sequence of four-digit numbers and characters that are associated with them.
Can you crack the code and find out what 2963 = ?
8446 = F
5697 = C
2331 = A
1125 = A
1662 = C
4658 = E
8312 = C
6146 = D
4115 = B
8066 = F
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1$\begingroup$ I suggest changing the last one into 8466. $\endgroup$– No. 7892142Jun 25, 2015 at 11:02
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$\begingroup$ @No.7892142 they'll both be 'F' - see Rand's answer below $\endgroup$– S.KrishnaJun 25, 2015 at 11:04
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1$\begingroup$ Precisely. Currently, 8066 would be "G" (the 8066 here would be "F", of course). $\endgroup$– No. 7892142Jun 25, 2015 at 11:06
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1 Answer
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2963 equals
C,
because
given a number, count the total number of holes in all its digits, add 1, and take the letter at this position in the alphabet.
2331 and 1225 go to A because
they have no digits with holes,
5697 and 1662 go to C because
they have exactly 2 holes,
8446 goes to F because
it has exactly 5 holes,
and so on.
answered Jun 25, 2015 at 11:00
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$\begingroup$ That was fast ! (or probably due to my first question in this forum). Am unable to accept answer so quickly. $\endgroup$ Jun 25, 2015 at 11:02
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$\begingroup$ @S.Krishna Welcome to Puzzling! Unfortunately I think your question counts as a duplicate, since this holes-in-digits thing has been asked before. I'll upvote it and then vote to close, but don't take this the wrong way - it's a good puzzle (as evidenced by its popularity!) and I hope you'll go on to post more nice puzzles here :-) $\endgroup$ Jun 25, 2015 at 11:04
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$\begingroup$ Oops, I see it now Q#5734.. And you were the one 'edited' that question long ago ! $\endgroup$ Jun 25, 2015 at 11:09
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$\begingroup$ @S.Krishna This is at least the 4th duplicate of that question - it's certainly popular! $\endgroup$ Jun 25, 2015 at 11:20