A man purchases 8 pens for Rs.9 and sells 9 pens for Rs.8, how much profit or loss does he make?
Select the correct option
A) 29.98 B) 20.98 C) 20.92 D) 20.96 E) 20.91
81 ---- 17   100 ----- ? è 20.98%loss   Answer:20.98
<result>B</result>
A man purchases 8 pens for Rs.9 and sells 9 pens for Rs.8, how much profit or loss does he make?