How loud is a sound when it enters in the threshold of pain?

Question: How loud is a sound when it enters in the threshold of pain?

Options:

120 dB
200 dB
50 dB
80 dB

Correct answer:

120 dB

Other game answers:
Find the answers to guess the gif, logo quiz 2015, emoji puzzle and emoji nation.
You can find other questions and answers of trivia crack at triviacrackcheats.org (other languages are also available, for this game).