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Reported Question / Answer
Q.) LEDs are made out of
1)
silicon.
2)
gallium.
3)
silicon and germanium, but not gallium.
4)
germanium.
5)
NULL
Answer :
3
Thank you for reporting wrong Question / Answer / Options
We look forward to your suggestions and feedback.
Message / Correct Answer / Suggestion
Human Verification : Answer 2 + 3 = ?
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