A toy is sold for Rs. 220. What was the cost, if the rate of profit was 10% of the cost?

by

A. Rs. 198
B. Rs. 240
C. Rs. 200 
D. Rs. 210

🧠 Explanation:

A toy sold for Rs. 220 with 10% profit cost Rs. 200. “Cost” is a noun; “profit” is also a noun. Calculation involves: Cost × 1.10 = 220 → Cost = 220 ÷ 1.10 = 200. Alternatives like “selling price” may be used. Understanding percentages is fundamental in commerce and mathematics.