By selling a book for 200, 20% profit was earned. What is the cost price of the book?	Choose the most appropriate option:
A) A)215  B) B)166  C) C)230  D) D)235  E) E)240
SP = 120% of CP; :. CP = 200 × 100/120 = 166   Option '166'
<result>B</result>
By selling a book for 200, 20% profit was earned. What is the cost price of the book?