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: Invention
टेलिफोन का आविष्कार किसने किया? , Who invented the telephone?
Who invented the telephone?
A.
G.Marconi
जी. मार्कोनी
B.
Alexander Graham Bell
एलेक्जेंडर ग्राहम बेल
C.
John Logie Baird
जॉन लॉगी बेयर्ड
D.
Thomas Bero
थॉमस बेरो
Solution
B. Alexander Graham Bell
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