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
What is the time when the hands of a clock are opposite to each other between 1 and 2 o’clock?
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.
Time when hands are opposite after hour H is (60/11) * (H + 0.5) minutes. For H=1, it is approximately 27.27 minutes after 1.
Final Answer: Option A — 1:27.27