When was the 4th Industrial Revolution declared by World Economic Forum ? (বিশ্ব অর্থনৈতিক ফোরাম কর্তৃক কবে চতুর্থ শিল্প বিপ্লব ঘোষণা করা হয়েছে?)
Boropukuria' is situated in-
The highest law officer of Bangladesh is the-
Birshrestha Ruhul Amin was a member of the-
Bangladesh Folk Arts and Crafts Museum is located in-
Which of the following countries or organizations declared Bangladesh as a Low-middle income country?