A horse and a cow were sold for Rs. 12000 each. The horse was sold at a loss of 20 % and the cow at a gain of 20 %. The entire transaction resulted in___________?

A. No loss or gain
B. Loss of Rs. 1000
C. Gain of Rs. 1000
D. Gain of Rs. 2000
Explanation:
Loss% = (20/10)2 = (2)2 = 4%
Total S.P = Rs. 24000
Total C.P = Rs. (100/96 × 24000) = Rs. 25000
Loss = Rs. 1000