Author: Muhammad Zubair

A. 10 Hz to 10,000 Hz.
B. 20 Hz to 20,000 Hz.
C. 30 Hz to 30,000 Hz.
D. 40 Hz to 40,000 Hz.

Submitted by: Muhammad Zubair

A. 2%
B. 3%
C. 7%
D. 8%

Submitted by: Muhammad Zubair