MCQ
In algebra, letters may stand for:
  • A
    Known quantities.
  • Unknown quantities.
  • C
    Fixed numbers.
  • D
    None of these.

Answer

Correct option: B.
Unknown quantities.
In algebra, letters may stand for unknown quantities.
Hence, $(b)$ is correct option.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free