Question 1
Five security guards work in rotating shifts across three days. Each guard works one shift per day, and each shift has exactly one guard.
Given information:
• On Monday: Sunil works Morning, Ajay works Afternoon, Meera works Evening
• Each person's shift rotates one position forward each day (Morning → Afternoon → Evening → Night → Graveyard → Morning)
• Karan worked Night on Monday
• Neha worked Graveyard on Monday
What shift does Meera work on Tuesday?
Step-by-step Solution:
Layer 1: Day-wise Schedule
Creating a temporal matrix across three days.
Layer 2: Shift Assignment
Initial assignments on Monday:
- Sunil → Morning
- Ajay → Afternoon
- Meera → Evening
- Karan → Night
- Neha → Graveyard
Layer 3: Rotation Pattern
Each person's shift advances by one position daily.
Day 2 (Tuesday) Calculation:
Meera started with Evening on Monday.
After one rotation: Evening → Night
Answer: Night
Layer 1: Day-wise Schedule
Creating a temporal matrix across three days.
Layer 2: Shift Assignment
Initial assignments on Monday:
- Sunil → Morning
- Ajay → Afternoon
- Meera → Evening
- Karan → Night
- Neha → Graveyard
Layer 3: Rotation Pattern
Each person's shift advances by one position daily.
Day 2 (Tuesday) Calculation:
Meera started with Evening on Monday.
After one rotation: Evening → Night
Answer: Night