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: Karan works Morning, Neha works Afternoon, Ajay works Evening
• Each person's shift rotates one position forward each day (Morning → Afternoon → Evening → Night → Graveyard → Morning)
• Sunil worked Night on Monday
• Meera worked Graveyard on Monday
What shift does Ajay 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:
- Karan → Morning
- Neha → Afternoon
- Ajay → Evening
- Sunil → Night
- Meera → Graveyard
Layer 3: Rotation Pattern
Each person's shift advances by one position daily.
Day 2 (Tuesday) Calculation:
Ajay 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:
- Karan → Morning
- Neha → Afternoon
- Ajay → Evening
- Sunil → Night
- Meera → Graveyard
Layer 3: Rotation Pattern
Each person's shift advances by one position daily.
Day 2 (Tuesday) Calculation:
Ajay started with Evening on Monday.
After one rotation: Evening → Night
Answer: Night