(4) Let the costs of a pant and shirtbe P and S respectively. 2P + 4S = 5600 ..........(i) 1P + 6S = 5600 ..........(ii) From equations (i) and (ii), we get8S = 5680 ⇒ S = ₹700 Now,SP of 10 shirts =₹ 6000 ∴ SP of 1 shirt = ₹ 600 Loss per shirt =₹700 –₹600 =₹100