The number of bacteria in a certain culture doubles every hour. If there were 30 bacteria present in the culture originally, how many bacteria will be present at the end of 2nd hour, 4th hour and nth hour?

Explanation

To solve the problem of how many bacteria will be present at the end of the 2nd hour, 4th hour, and nth hour, we can use the concept of geometric progression (GP).

### Step-by-Step Solution:

1. **Identify the Initial Condition**:
The initial number of bacteria in the culture is given as 30.

2. **Understand the Doubling Process**:
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