Example 5 : By selling 50 pens, a shopkeeper lost the amount equal to the selling price of 10 pens. His loss per cent is __________. a shopkeeper lost the amount equal to the selling price of 10 pens. His loss per cent is __________. Example 5 : By selling 50 pens August 1, 2021 Category: Chapter 8 - Comparing Quantities , Maths , NCERT Class 8 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related