A string of letters is given as input. The further steps given are obtained by applying certain logic in each step

Direction: A string of letters is given as input. The further steps given are obtained by applying certain logic in each step. Each step is a resultant of the previous step only. Study the following information carefully and answer the questions given below it.

1) What is the difference between the first and third numbers from the left end in step 4 of the given input?

A.            528

B.            729

C.            682

D.            696

E.            None of these

2)            Which of the following is the output of the final step of the given input respectively?

A.            7, -1

B.            -7, 1

C.            2, 1

D.            -7, -1

E.            None of these

3)            What is the difference between the sum of the first two numbers and the sum of the last two numbers in step 3 of the given input?

A.            194

B.            580

C.            116

D.            407

E.            None of these