Permitted noise levels (in decibels) for residential zones in day time and night time are ________ and __________ respectively

Q. Permitted noise levels (in decibels) for residential zones in day time and night time are ________ and __________ respectively.

A.            65 dB, 55 dB

B.            40 dB, 35 dB

C.            50 dB, 40 dB

D.            55 dB, 45 dB

Answer: 55 dB, 45 dB