Question

Which of the following is a fundamental quantity?

• A. Volume
• B. Speed
• C. Area
• D. Mass

Answer 1

The correct option is D Mass

A fundamental quantity is an independent physical quantity, and does not depend on other quantities.
In S.I., following table lists the properties of the required physical quantities. Physical quantity S.I. Unit Type

Volume	$m^3$	Derived
Area	$m^2$	Derived
Mass	$kg$	Fundamental
Speed	$m/s$	Derived

So, among the options, mass is the fundamental quantity.