Question

below number is odd to others? 4628, 6381, 3856, 1981, 2543, 7281, 5894​

Answer 1

Given :   4628, 6381, 3856, 1981, 2543, 7281, 5894​

To Find : Odd one out

Solution:

4628,    => 4 + 6  - 2 - 8  = 0

6381,    => 6 + 3 - 8 - 1 = 0

3856    => 3 + 8 - 5 - 6  = 0

1981,    => 1 + 9  - 8  - 1  = 1

2543,   =>  2 + 5  - 4 - 3  = 0

7281,   => 7 + 2 - 8 - 1  = 0

5894​   =>  5 + 8 - 9 - 4 = 0

For all the numbers sum of 1st two digits and last two digits is same except

1981

Hence 1981 is odd one out

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