If books bought at prices ranging from Rs. 150 to Rs. 300 are sold at prices ranging from Rs. 250 to Rs. 350, what is the greatest possible profit that might be made in selling 15 books?

by

A) Rs. 1000
B) Rs. 4500
C) Rs. 3000 
D) Rs. 5500

🧠 Explanation (Math):

Given: Buy range 150–300; sell range 250–350; 15 books
Step 1: Max profit per book = 350 − 150 = 200
Step 2: For 15 books ⇒ 200 × 15 = 3000
Final Answer: Rs. 3000