The marked price of a laptop is ₹65,000. The laptop is sold at a discount of 20%. !f a profit of 30% is made through the sale, then what is the cost price of the laptop?

₹50,000 ₹45,000 ₹48,000 ₹40,000

₹40,000

CP                    MP       100 - D%           100 + P%      100 - 20%           100 + 30%          80                      130 130x = 65,000 then, 80x = ₹40,000