A man sold one shirt and one t-shirt for Rs. 3542 on shirt he gained 24% and he lost 18% on t-shirt. If overall profit is 6%, then cost price of t-shirt is
Ratio of SP of shirt and t-shirt respectively = 4 : 3 SP of t-shirt = 3542/7 × 3 = Rs. 1518 CP of t-shirt = 1518/82 × 100 = Rs. 1851.21