Solved IB ACIO Question
A solved IB ACIO PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Q · Clockmedium · 45s
At what time between 4 to 5 o’clock will the hands of a clock be at right angles?
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.
Between 4 and 5, the hands form right angle twice; calculation shows the first is at 4:22.5.
Final Answer: Option B — 4:22.5