Solved IB ACIO Question
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Q · Calendarmedium · 45s
If September 15, 2025, is a Monday, what day of the week will October 15, 2025, be?
TopicCalendar
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.
September 15 to October 15 = 30 days; 30 mod 7=2; Monday + 2 = Wednesday.
Final Answer: Option A — Wednesday