A number arrangement machine, when given a particular input, rearranges it following a particular rule.The following is lit illustration of the input and the steps of arrangement:
Input: 245,316,436,519,868,710,689
Step 1 : 710, 316, 436, 519, 868, 245, 689
Step II: 710,316,245,519,868,436,689
Step III: 710,316,245,436,868,519,689
Step IV: 710,316,245,436,519,868,689
Step IV is the last step for the given input.
Following is the step 111 for an input. What will be the first step for the input?
Step III: 432 ,433, 542, 666, 734, 355, 574

Options

A. `666,542,432,734,433,574,355`
B. `542,666,734,432,4333,574,355`
C. `355,574,433,432,734,666,542`
D. Can't be determined

Answer

D

Explanation

Here, the rule followed is: the sum of the digits is calculated. Then in step I, the number with lowest sum of its digits inter number. (If the first number has already the lowest the number with second lowest sum of its digit in second number.] The process continues until the numb ascending order on the basis of their sum of digits.