**A sold an article to B at 10% loss, B sold it to C at 15% profit and C sold it to D at 10% profit. If D bought it for ₹4,554, then what was the cost price (in ₹) of A?** A) ₹3,960 B) ₹4,000 C) ₹3,920 D) ₹4,200 Click Link for Answer