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Arun Bharath
's Polls
General Knowledge
The normal threshold of hearing is around
25-45 db
1 vote (25%)
25-45 db
100-120 db
2 votes (50%)
100-120 db
45-60 db
1 vote (25%)
45-60 db
60-80 db
0 votes (0%)
60-80 db
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4 votes
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Wolmal
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