A shopkeeper sold an article at $100 with 20% profit. Then find its cost price?  Select
A) $120 B) $100 C) $91 D) $83 E) $69
cost price = selling price *100/(100+profit)   C.P. = 100*100/120 = $83(approximately)   Answer is $83
<result>D</result>
A shopkeeper sold an article at $100 with 20% profit. Then find its cost price?