Question

Numeric lock has 3 digit key​

Answer 1

Hint 1 : (6,8,2) one number is correct & well placed.

Hint 2 : (6,1,4) one number is correct but wrong placed.

Hint 3 : (2,0,6) Two number are correct but wrong placed.

Hint 4: (7,3,8) Nothing is correct.

Hint 5 : (7,8,0) one number is correct but wrong placed.

From Hint 1 & 2 , we come to know that the number 6 is incorrect number.

From Hint 3 , we come to know that 2 & 0 are correct numbers.

From Hint 4 & 1 , we come to know that number 2 is correctly placed.

Hence the number will be _ _ 2

From Hint 3, 4 & 5 we come to know that 0 is wrongly placed in (2,06) & (7,8,0) .

Hence the number will be

(0 _ 2)

And from Hint 2 we come to know that the middle number is 4

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Therefore the 3-digit number is ;

0 4 2