A fruit seller sells mangoes at the rate of Rs.9 per kg and thereby loses 20%. At what price per kg, he should have sold them to make a profit of 5%
Choose one
A) rs 8.81
B) rs 9.81
C) rs 10.81
D) rs 11.81
E) none of these

Rationale: "explanation : 85 : 9 = 105 : x x = ( 9 × 105 / 85 ) = rs 11.81 option d"
Answer: D