A man sold two houses for Rs. 7.8 lakhs each. On the one, he gained 5% and on the other, he lost 5%. What percent is the effect of the sale on the whole?
A. 0.25 % loss
B. 0.25 % gain
C. 25% loss
D. 25% gain
Explanation:
Loss% = (5/10)2 = ¼% = 0.25%