Find out the alternative which will replace the question mark.

Ricochet : Rebound :: Blessing : ?

If A is coded as -, B is coded as +, C is coded as * and D is coded as / then evaluate 7 A 4 B 8 C 10 D 4 C 5?

Find out the alternative which will replace the question mark.

Humane : Aloof :: Therapeutics : ?

Instructions:
A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule in each step. The following is an illustration of input and rearrangement. 

Input: some found 19 other 99 27 came 45 

Step 1 : came some found 19 other 99 27 45 
Step 2 : came 99 some found 19 other 27 45 
Step 3 : came 99 found some 19 other 27 45 
Step 4 : came 99 found 45 some 19 other 27 
Step 5 : came 99 found 45 other some 19 27 
Step 6 : came 99 found 45 other 27 some 19 

Step 6 is the last step of the rearrangement of the above input. As per the rules followed in the above illustration, for the following questions, find the appropriate step for the given input.
 

Step 2 of an input is : earn 77 39 47 hero gold 29 more 

 Which of the following is definitely the input?

Carl walks 24 miles in the direction of west then he turns to his right and walks further 7 miles, how far is he exactly from the starting point (in miles) ?