A man purchased a watch for Rs.400 and sold it at a gain of 20% of the selling price. The selling price of the watch is: Choose the correct choice from the following options
A) 232  B) 480  C) 178  D) 277  E) 1981
Explanation:   Cost price = 400   Gain% = 20%   Gain = 400 × 2010020100 = 80   Cost price = 400 + 80= 
<gadget id="calculator">400 + 80</gadget>
<output>480</output>
480   Answer: 480
<result>B</result>
A man purchased a watch for Rs.400 and sold it at a gain of 20% of the selling price. The selling price of the watch is: