In any given year, the probability of an earthquake greater than Magnitude 6 occurring in the
Garhwal Himalayas is 0.04. The average time between successive occurrences of such earthquakes
is ____ years.
Official Answer Key:
25
Step-by-Step Solution & Explanation
### **Step-by-Step Solution & Mathematical Derivation (GATE BT 2014 Q.4)**
**1. Governing Concept & Definition**:
- **Topic**: General Aptitude & Recurrence Probability
- Independent annual probability and return period calculations yield 25.
**2. Detailed Step-by-Step Calculation**:
- Direct evaluation gives 25%.
**3. Final Answer**:
- **Calculated Value**: **25**
- **Official GATE Accepted Range**: **25 to 25**
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