A man purchased a grinder for Rs. 420 and sold it at a profit of 10%. The selling price is:  Choose the correct choice from the following options.
A) Rs. 462
B) Rs. 812
C) Rs. 684
D) None of these
E) Cannot be determined
s.p.=110/100 × 420=462   Rs. 462nswer: Rs. 462
<result>A</result>
A man purchased a grinder for Rs. 420 and sold it at a profit of 10%. The selling price is: