Question

a shopkeeper cheats to extent of 10% while buying and selling buy using false weight is total gain is?​

Answer 1

Answer:

Gain % = ((100+common gain %)2100−100)100+common gain %2100-100%           

 

           =((100+10)2100−100)100+102100-100

 

            = 21%

Answer 2

Answer:

ᴇxᴘʟᴀɴᴀᴛɪᴏɴ:

ɢᴀɪɴ % = ((100+ᴄᴏᴍᴍᴏɴ ɢᴀɪɴ %)2100−100)%

=((100+10)2100−100)

= 21%