Ramu bought an old car for Rs. 42000. He spent Rs. 13000 on repairs and sold it for Rs. 61900. What is his profit percent?  Pick:
A) 22
B) 77
C) 18
D) 99
E) 12.5

Rationale: "total cp = rs . 42000 + rs . 13000 = rs . 55000 and sp = rs . 61900 profit ( % ) = ( 61900 - 55000 ) / 55000 * 100 = 12.5 % answer : e"
Answer: E