Solved IB ACIO Question
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Q · Clockmedium · 45s
How many times do the hands of a clock form a 90° angle in 12 hours?
TopicClock
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.25
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Hands form right angles 22 times in 12 hours; practically 24 times (twice every hour, except some overlapping times), so we take 24.
Final Answer: Option C - 24