Hari saw full moon on a particular day. After ...... days he will be able to see full moon again.

Options

A. 15
B. 20
C. 29
D. 30

Explanation

To determine how many days it will take for Hari to see the full moon again after he has observed it, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Moon's Cycle**: The moon goes through different phases, including the full moon phase. The complete cycle of the moon from one full moon to the next is known as a lunar month.

2. **Duration of the Lunar Month**: A lunar month, which is the time it takes for the moon to return to the same phase (like full moon), is approximately 29 days.

...