Mohan bought 51 books for ₹1,150 from one shop and 48 books for ₹920 from another. What is the average price (in ₹, rounded off to two decimal places) did he pay per book?

Mohan bought 51 books for ₹1,150 from one shop and 48 books for ₹920 from another. What is the average price (in ₹, rounded off to two decimal places) did he pay per book?
मोहन ने एक दुकान से ₹1,150 में 51 किताबें खरीदी और दूसरी दुकान से ₹920 में 48 किताबें खरीदीं। उसने प्रति किताब औसत कीमत (₹ में, दो दशमलव स्थानों तक पूर्णांकित) चुकाई?