A number arrangement machine when given an input line of numbers rearranges them following a particular rule in each step. The following is an illustration of input and rearrangement.
Input: 734269 825497 647538 219354 961357 321658
Step I: 962437 794528 465783 123945 753169 236185
Step II: 123945 236185 465783 753169 794528 962437
Step III: 135924 135268 357468 135796 579248 379246
Step IV: 3458 31048 152848 33554 351832 211824
Step V: 20 16 28 20 22 18 Step V is the last step of the rearrangement. As per the rules followed in the above steps, find out in each of the following questions the appropriate steps for the given input.
Input: 856347 745982 329584 512379 954267 463512
What is the difference between the second element from the left end in step II and second element from the right end in step IV?

Options

A. 156723
B. 118964
C. 127704
D. 138567

Answer

C

Explanation

The logic for the given arrangement is: Step I - In even numbers, group of 2 digits are reversed and in odd numbers, all the digits are reversed.
Step II - All the numbers are arranged in ascending order from left to right.
Step III - First odd numbers and then even numbers are arranged in ascending order within the numbers.
Step IV - Group of 2 digits are multiplied.
Step V - Add all the digits within the numbers.
Input: 856347 745982 329584 512379 954267 463512
Step I: 743658 479528 235948 973215 762459 645321
Step II: 235948 479528 645321 743658 762459 973215
Step III: 359248 579248 135246 357468 579246 135792
Step IV: 151832 351832 31024 152848 351824 33518 Step
V: 20 22 10 28 23 20