If the selling price of 50 articles is equal to the cost price of 40 articles, then the loss or gain percent is:
A. 20% loss
B. 20% gain
C. 25% loss
D. 25% gain
Answer:A
If the selling price of 50 articles is equal to the cost price of 40 articles, then the loss or gain percent is:
A. 20% loss B. 20% gain C. 25% loss D. 25% gain