राइट ब्रदर्स ने क्या आविष् – McqOptions

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1.	राइट ब्रदर्स ने क्या आविष्कार किया था?
A.	वायुयान
B.	साइकिल
C.	गुब्बारा
D.	इनमें से कोई भी नहीं
Answer» B. साइकिल

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