A mosquito buzz is often rated with a decibel rating of 40 dB-19240

A mosquito's buzz is often rated with a decibel rating of 40 dB. Normal conversation is often rated at 60 dB. How many times more intense is normal conversation compared to a mosquito's buzz?

This multiple choice question (MCQ) is related to the book/course vu phy101 Physics. It can also be found in vu phy101 Final Term - Quiz No.6.