1.  If the positions of the first and the fifth digits of the number 14278359 are interchanged, similarly the positions of the second and the sixth digits are interchanged and so on, then which of the following will be the second digit from the right end after the rearrangement ?
A. 5
B. 2
C. 7
D. 4

Answer: Option B

Explanation:

Given number is 14278359

As given 1st and 5th digits, 2nd & 6th, 3rd & 7th and 4th & 8th digits are to to be interchanged.

Therefore, the rearranged number is 83591427

Then, the second digit from the right end is 2.