In a given number 1 2 3 4 5 6 7 8 9 1, we interchange the first and the second digits, the third and the fourth digit and so on. Then which digit will be sixth from the right?

6

The correct answer is Option (4) → 6

GIVEN NUMBER =  1   2   3    4   5   6   7   8   9   1

AFTER 

INTERCHANGE

RESULTED

NUMBER =      2    1    4   3    6   5   8   7    1   9

NUMBER  6  IS 6TH FROM RIGHT