Correct Answer: Rs. 83.33
Explanation:
Let A's C.P. = Rs. 100 B's C.P. = Rs. 105 C's C.P. = 104% of Rs. 105 = Rs. 109.20 ∵ 109.20 : 91 = 100 : P ∴ P = (91 x 100) / (109.20) = Rs. 83.33