A word and number arrangement machine when given an input line of words and numbers rearrangement them following a particular rule. The following is an illustration of input and re-arrangement.
`{:("INPUT- 3846 9231 7283 4731 8152 3285"),("STEP I- 3468 1239 2378 1347 1258 2358"),("STEP II - 1239 1258 1347 2358 2378 3468"),("STEP III- 23 25 34 35 37 46"),("STEP IV - 5 7 7 8 10 10"):}`
Step IV 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 : 7925 4758 2538 8561 7426 3625 6245
Which of the following would be the difference of the numbers which is 2nd from left end in step I and forth from right end in step II ?

Options

A. 1138
B. 2187
C. 2111
D. 2125

Answer

C

Explanation

In the given input-output question the logic is
for step I-All the digits of the given numbers are arranged in ascending order withing the numbers
for step II- all the numbers obtained in step 1 are arranged in ascending order from the left end.
For step II- All the number obtained in step I are arranged in ascending order from the left end.
For step III First and last digits of the number are omitted.
For step IV- The digits of the numbers obtained in step III are added.
`{:("INPUT-7925 4758 2538 5628 7426 3625 6245"),("STEP i-2579 4578 2358 3568 1568 2467 2356 2456"),("STEP II-1568 2356 2358 2456 2467 2568 2579 4578"),("STEP-iii -56 35 35 45 46 56 57 57"),("STEP -IV -11 8 8 9 10 11 12 12"):}`