what is right ans??........
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shreyachauhan:
1735
in first there are 4 digits 2657 in which 2 digits r right
in second there is no correct digit means 4268 will not come
that means in first 5 and 7 r correct digits
in 3rd there r only one correct digit 0415
which question
okk
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3
Hello Tehsin
Your answer :----->>>>
4268 ->>>>Has no correct digits . means key code doesn't consider 4, 2, 6 , 8 .
so, possibilities of digits in key code : 0, 1 , 3 , 5 ,7 and 9 .
again, 1749 ->>>> Has two correct digits and both in the correct place . so, possibilities of correct digits 1 , 7 , 9 [ because 4 can't consider as above explanation ]
Let 1 and 7 are two correct digits and both in the correct place.
but according to condition " 0145--- Has one correct digit and it's in the wrong place " 1 can't be correct digit
so, 7 and 9 are two correct digits and both in the correct place.
now, we have key code __, 7__, 9
now, come to condition " 2657->>has two correct digits but neither are in the correct place " and " 0415 ->>has one correct digit but it's in the wrong place.
we get, 5 is one more digit in password which can't place 3rd and 4th place , it means place of it is first .
now, key code is 5, 7, ___, 9
can you say me which is rest to fill 3rd place ?
only 3 is rest to fill 3rd place .
Hence,
The correct answer is 5739
If it helps you mark me as brainlist
Thanks
Your answer :----->>>>
4268 ->>>>Has no correct digits . means key code doesn't consider 4, 2, 6 , 8 .
so, possibilities of digits in key code : 0, 1 , 3 , 5 ,7 and 9 .
again, 1749 ->>>> Has two correct digits and both in the correct place . so, possibilities of correct digits 1 , 7 , 9 [ because 4 can't consider as above explanation ]
Let 1 and 7 are two correct digits and both in the correct place.
but according to condition " 0145--- Has one correct digit and it's in the wrong place " 1 can't be correct digit
so, 7 and 9 are two correct digits and both in the correct place.
now, we have key code __, 7__, 9
now, come to condition " 2657->>has two correct digits but neither are in the correct place " and " 0415 ->>has one correct digit but it's in the wrong place.
we get, 5 is one more digit in password which can't place 3rd and 4th place , it means place of it is first .
now, key code is 5, 7, ___, 9
can you say me which is rest to fill 3rd place ?
only 3 is rest to fill 3rd place .
Hence,
The correct answer is 5739
If it helps you mark me as brainlist
Thanks
Answered by
1
YE DEKH.........M.MMMMM
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