Crack the Code !
Crack the Code !
983 - One number is correct and well placed
426 - One number is correct but wrong placed
371 - One number is correct and well placed
186 - One number is correct but wrong placed
Can you crack the code and find the number using the given statements.
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Answer is 941Explanation:
let the 4 statements be a,b,c,d
From statement a,c,d we get that 9 is the first number in the code.
Now from statement a and c, we know that one of the other number is 7 or 1
lets assume the number in the code is 7,
then form b and d we see that 6 has to be the final number of the code but it is not possible as it will break either rule b or d.
So 7 is not the number in the code.
So now we know 1 is the 3rd number of the code and well placed as per c and wrong placed as per d.
So now from b we get 4 as the last digit of code as 2 cannot be wrong placed in statement b.
So the code is 941.