Correct option is A
Given:
Profit percentage = 10%.
Difference between CP and SP = Rs. 120.
Formula Used:
Profit % = [(SP - CP) / CP] × 100.
Solution:
Let CP = x. Then, SP = x + 120, and Profit % = 10.
=> 10 = [120 / x] × 100
=> x = Rs. 1200 (Cost price)
SP = CP + 120 = 1200 + 120 = Rs. 1320.