Question

795= one number is correct and well placed
741=one number is correct but wrong place
463=two number are correct but wrong place
128=Nothing is correct
169=One number is correct but wrong place

Answer 1

Given:

795 = one number is correct and well placed

741 = one number is correct but wrong place

463 = two number are correct but wrong place

128 = Nothing is correct

169 = One number is correct but wrong place

To find:

3 digit code

Solution:

795 = one number is correct and well placed

169 = One number is correct but wrong place

using these we get, 9 is one of the 3-digits and it's place is middle place.

- 9 -

741 = one number is correct but wrong place

463 = two number are correct but wrong place

using these we get, 4 is one of the 3-digits and it's place is last place.

- 9 4

463 = two number are correct but wrong place

169 = One number is correct but wrong place

using these we get, 6 is one of the 3-digits and it's place is first place.

6 9 4

Therefore, the code is 6 9 4.