If the population of a certain country increases at the rate of one person every 15 seconds , by how many persons does the population increase in 20 minutes ?

If the population of a certain country increases at the rate of one person every 15 seconds , by how many persons does the population increase in 20 minutes ? Correct Answer 80

কোনো দেশের কেন্দ্রীয় ব্যাংক অন্যান্য ব্যাংকগুলোকে যে সুদে ঋণ প্রদান করে তাই হলো ‘ব্যাংক রেট’ । মূলত ব্যাংক ব্যবস্থাকে সুষ্ঠুভাবে পরিচালনার জন্য কেন্দ্রীয় ব্যাংক সাধারণত কম সুদে এবং স্বল্প মেয়াদে ব্যাংকগুলোকে ঋণ প্রদান করে ।
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