Calendar / month-end day from mid-month anchor: “Tomorrow is Friday, and the 15th of June is three days after tomorrow.” On what day does the last day (30th) of June fall?

Introduction / Context:We determine the weekday for the 30th given the weekday for the 15th.

Given Data / Assumptions:

• Tomorrow is Friday.
• 15th June is three days after tomorrow ⇒ 15th June is Monday.
• June has 30 days.

Concept / Approach:From the 15th (Monday) to the 30th is 15 days. A 14-day shift preserves weekday, then add 1 day.

Step-by-Step Solution:

Verification / Alternative check:Counting two weeks (14 days) lands again on Monday; +1 day ⇒ Tuesday.

Why Other Options Are Wrong:They ignore the 15-day offset from mid-month.

Final Answer:Tuesday