Explanatory Question
শূন্যে প্রথম কৃত্রিম উপগ্রহ পাঠিয়েছে কোন দেশ?
Read the answer carefully and go through the related questions on the right side to improve your understanding of this topic.
রাশিয়া।
First read the answer fully, then try to explain it in your own words. After that, open a few related questions and compare the concepts. This method helps you remember the topic for a longer time and improves exam preparation.