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Question

What is the SI unit of 'volume'?

This question was previously asked in
RRB NTPC 2024 Undergraduate CBT 1 Question Paper (29-Aug-2025) (Shift 1)
The correct answer is

Cubic metre

The correct answer is Cubic metre.

The SI unit of volume is the cubic metre (m³). While litres (L), millilitres (mL), and cubic centimetres (cm³) are commonly used units of volume, they are not SI base units. The SI system prioritizes the metre (m) as the base unit of length, and volume, being a three-dimensional measurement of space, is derived from the cube of the metre, hence m³. Other units are often convenient for specific applications but the cubic metre remains the standard SI unit for volume.

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