সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Who invented typewriter?
Who invented typewriter?
- ক. Sholes
- খ. Waterman
- গ. Shockley
- ঘ. Pascal
সঠিক উত্তরঃ Sholes
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Basic Information of Daily Science, Inventions and...