question_answer

The integers 1 to 60 are written on a blackboard. The following operation is then repeated 59 times: In each repetition, any two numbers say p and q, currently on the blackboard are erased and a new number \[p+q-2\] is written. What will be the number left on the board at the end?

A)  1771               

B)  1712

C)  1713                           

D)  1770

E)  None of these