Solved IB ACIO Question
A solved IB ACIO PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Q · Arithmetical Reasoningmedium · 45s
Two trains 360 km apart move towards each other at 60 and 40 km/hr. Time to meet?
TopicArithmetical Reasoning
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.
Relative speed = 100 km/hr; time = 360 ÷100 = 3.6 hrs (~3 hrs).
Final Answer: Option A — 3 hours