Start learning →

A square has side (2x - 1) cm and perimeter 28 cm. What is x?

A6
B5
C3
D4
Answer & Solution
Correct answer: D. 4
Each side is 28/4 = 7 cm, so 2x - 1 = 7 and x = 4.
Practise this question with Quill — Olympiad (Class 7) →

Keep practising Simple Linear Equations

Browse all Simple Linear Equations questions for Olympiad (Class 7), or explore more Mathematics topics.

Start a Simple Linear Equations lesson →
Related questions