Correct option is B
Given:
Selling Price (SP) = Rs.31
Loss = 7%
Formula used:
Profit = selling Price - cost Price
Cost price = selling price + loss
Solution:
The shopkeeper sells at Rs.31 and incurs a loss of 7%.
This means the selling price (S.P.) is 93% of the cost price (C.P.).
Let the cost price be Rs. x
x = 31 + 7% of x
=> x - 7% of x = 31
Profit = 35 -
=>
=>
Profit % =
=>
=> 5%
Thus, the correct answer is (b) 5%.