Question
What defines noise pollution according to the World
Health Organization (WHO)?Solution
The World Health Organization (WHO) defines noise above 65 decibels (dB) as noise pollution. Â To be precise, noise becomes harmful when it exceeds 75 decibels (dB) and is painful above 120 dB.
What is the difference of ages of U and S?
There are six persons M, N, O, P, Q, and R are sitting around a circular table such all are facing outside the centre. R sits second to the right of O. ...
Who sits to the immediate right of F?
Who among the following person sits 2nd to the right of the one who sits opposite to S?
Which of the following is code of ‘you’?
How many persons are sitting between U and R (when counted clockwise direction from R)?
Who sits second to the right of Z?
What is the position of S with respect to T?
How many files are facing the north direction?
Who among the following sits fourth to the right of P?