Question

On January 12, 1980, it was a Saturday. The day of the week on January 12, 1979 was

• A. Monday
• B. Tuesday
• C. Wednesday
• D. Thursday
• E. Friday

Answer 1

Answer: (E)

Concept:

• 1 normal year = 1 odd day
• 1 leap year = 2 odd days

Step 1: Check leap year.
1980 is a leap year, so 1979 is a normal year.
Step 2: Move backward 1 year.
\[ \text{1 odd day backward from Saturday} \] \[ \text{Saturday} - 1 = Friday \]
Step 3: Option analysis.

• (A) Incorrect $\times$
• (B) Incorrect $\times$
• (C) Incorrect $\times$
• (D) Incorrect $\times$
• (E) Correct \checkmark

Conclusion:
Thus, the correct answer is
Option (E).