Calendar / within-month weekday: If the 3rd day of a month is Tuesday, which weekday is the 25th day of that month?

Difficulty: Easy

Correct Answer: Wednesday

Explanation:

Introduction / Context:Within a month, weekdays advance by the date difference mod 7.

Given Data / Assumptions:3rd = Tuesday; need 25th.

Concept / Approach:25 − 3 = 22; 22 ≡ 1 (mod 7). Move one weekday ahead of Tuesday.

Step-by-Step Solution:

22 mod 7 = 1.Tuesday + 1 = Wednesday.

Final Answer:Wednesday

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