গনিত বইয়ে ৪৩৫ পৃষ্ঠা এবং বাংলা বইয়ে ৫৪৩ পৃষ্ঠা আছে। কোন বইটি বেশি পুরু?
To solve this problem, let's analyze it step-by-step:

Step-1: Math book has 435 pages and Bangla has 543 pages.

Step-2: Considering all pages are identically thick, we can say that the more pages makes the book more thicker.

Step-3: Here the Bangla book has more pages than then Math book. That means the Bangla book is more thicker than the Math book.

Step-5: So, the answer is “Bangla book (543 pages)” which is actually “Option 1”

#Answer: [Option 1]