A man sold two similar houses each for Rs. 1,00,000 one at a gain of 20% and another at a loss of 20%. What is net gain or loss? Choose the correct choice from the following options.
A) 4% B) 6% C) 5% D) 3% E) 2%
Explanation :   Solution: Here always net loss of (20/100)^2 % = 4%.   4%nswer : 4%
<result>A</result>
A man sold two similar houses each for Rs. 1,00,000 one at a gain of 20% and another at a loss of 20%. What is net gain or loss?