allery1642 میں گیئر پر مبنی جوڑنے اور گھٹانے والا آلہ کس نے ڈیزائن کیا؟
Aگوٹ فرائیڈ لیبنز
Bبلیز پاسکل
Cایلن ٹورنگ
Dچارلس بیبیج
Answer & Solution
Correct answer: B. بلیز پاسکل
فرانسیسی ریاضی دان بلیز پاسکل نے گیئر ڈیوائس بنائی جو جوڑ اور گھٹا سکتی تھی۔
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