Question
Which of the following zones are correctly matched with their permitted noise level?
1) Industrial --------- 90 dB
2) Commercial ----- 75 dB
3) Residential ------- Silence Zone
4) Courts ------------- 55 dB
[A]
Only 1 and 2
[B]
Only 2 and 3
[C]
Only 3
[D]
None of the above
Answer & Explanation
Answer: All of the above