A shop owner sells 60mtr of cloth and gains SP of 10 mtrs. Find the gain %?  Choose the most appropriate option:
A) 20%
B) 40%
C) 50%
D) 60%
E) 70%
Here, selling price of 10 m cloth is obtained as profit.   Profit of 10 m cloth = (S.P. of 60 m cloth) – (C.P. of 60 m cloth)   Selling price of 50 m cloth = Selling Price of 60 m of cloth   Let cost of each metre be Rs. 100.   Therefore, cost price of 50 m cloth = Rs. 5000 and S.P. of 50 m cloth = Rs. Rs. 6000   Profit% = 10/50 × 100 = 20%   20   Profit of 20% was made by the merchant.   20%
<result>A</result>
A shop owner sells 60mtr of cloth and gains SP of 10 mtrs. Find the gain %?