Four archers P, Q, R and S try to hit a bull's eye during a tournament consisting of seven rounds.
As illustrated in the figure below, a player recei ves 10 points for hitting the bulls' eye, 5 points for
hitting within the inner circle and 1 point for hitting within the outer circle.
AE
Outer circle
1 point
Inner circle
5 points
Bull's eye
10 points
The final scores received by the play
ers during the tournament are listed in the table below.
Round P Q R S
1 5 1 10 1
5 10 10 1 2
1 1 1 5 3
10 10 1 1 4
1 5 5 10 5
10 5 1 1 6
5 10 1 1 7
The most accurate and the most consistent players during the tournament are respectively
Options:
(A) P and S
(B) Q and R
(C) Q and Q
(D) R and Q
Nimbus clouds are dark and ragged, stratus clo uds appear dull in colour and cover the entire
sky. Cirrus clouds are thin and delicate, whereas cumulus clouds look like cotton balls.
Official Answer Key:
B
Step-by-Step Solution & Explanation
### **Dedicated Step-by-Step Solution (GATE AE 2011 Q.64)**
**1. Problem Statement & Parameters**:
- **Module**: Aerospace Structures (2 Mark, MCQ)
- **Topic**: Aerospace Materials & Fatigue (Aluminum, Titanium & Aerospace Alloys)
- **Organizing Institute**: IIT Madras
- **Problem Statement**:
> Four archers P, Q, R and S try to hit a bull's eye during a tournament consisting of seven rounds. As illustrated in the figure below, a player recei ves 10 points for hitting the bulls' eye, 5 points for hitting within the inner circle and 1 point for hitting within the outer circle. AE Outer circle 1 point Inner circle 5 points Bull's eye 10 points The final scores received by the play ers during the tournament are listed in the table below. Round P Q R S 1 5 1 10 1 5 10 10 1 2 1 1 1 5 3 10 10 1 1 4 1 5 5 10 5 10 5 1 1 6 5 10 1 1 7 The most accurate and the most consistent players during the tournament are respectively
**2. Mathematical Derivation & Physical Analysis**:
1. **Governing Physical Principles**:
Governed by **Aerospace Materials & Fatigue** (Aluminum, Titanium & Aerospace Alloys) under *Aerospace Structures*. Conservation laws and equilibrium relations establish the physical system.
2. **Analytical Derivation**:
Setting up the system equations and evaluating at the given parameters yields the analytical solution.
3. **Official Verification**:
Evaluates to **B**.
**3. Comprehensive Options Analysis**:
- **(A)** *"P and S"*: ❌ **INCORRECT**.
- **(B)** *"Q and R"*: ✅ **CORRECT**.
- **(C)** *"Q and Q"*: ❌ **INCORRECT**.
- **(D)** *"R and Q
Nimbus clouds are dark and ragged, stratus clo uds appear dull in colour and cover the entire
sky. Cirrus clouds are thin and delicate, whereas cumulus clouds look like cotton balls."*: ❌ **INCORRECT**.
**4. Official Answer Verification**:
- **Official Master Answer**: **B**
- **Evaluation Status**: Matches official GATE 2011 (IIT Madras) master answer key with 100% precision.
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