By selling a calculator for Rs. 1,080, there is a loss of 10%, if the article is sold for Rs. 1,350,the net result in the transaction is:

Correct option is C

Selling Price = $$Cost Price \times (1-\frac{loss}{100})$$

1080 = $$Cost Price \times (1-\frac{10}{100})$$

Cost Price = $$\frac{108000}{90} = Rs. 1200$$

If Selling Price = 1350 

Gain Percentage = $$\frac{1350-1200}{1200} \times 100 = 12.5{\%}$$​​