Correct Answer: Rs. 50000
Explanation:
∵ S.P. = Rs. 54000 Gain earned = 20% ∴ C.P. = Rs. (100/120) x 54000 = Rs. 45000 Now, S.P. = Rs. 45000 And Loss = 10% ∴ Original C.P. = Rs. (100/90) x 45000 = Rs. 50000