Lesson eLearning

A clock is set up so that every third tick it is silent. If the first 12 ticks are observed, how many silent ticks occurred?

hard 3 marks Class 4 · Mathematics · Tick Tick Tick
Answer
4

The correct answer is 4 — 2) Count them → 4 silent ticks.

Step-by-step solution

  1. 1) Silent ticks happen at positions 3, 6, 9, and 12.
  2. 2) Count them → 4 silent ticks.
Common mistake: Counting all ticks as silent

Concept tested: Pattern recognition

Published · How this solution was prepared and checked

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