Start learning →

Which one of these is a unit of length, not a unit of time?

AFortnight
BLight-year
CLustrum
DDecade
Answer & Solution
Correct answer: B. Light-year
A light-year is the distance light travels in a year, so it measures length.
Practise this question with Quill — Olympiad (Class 5) →

Keep practising Conversion of Units

Browse all Conversion of Units questions for Olympiad (Class 5), or explore more Mathematics topics.

Start a Conversion of Units lesson →
Related questions