Explanation:

- Disguised Unemployment:

- Occurs when more people are engaged in a job than necessary.

- Common in agriculture where everyone doesn’t contribute fully to productivity.

- Industrial Unemployment:

- Typically found in urban settings.

- Arises when industries don’t employ all available labor or when there is a decline in industrial activity.

- Seasonal Unemployment:

- Linked to jobs that are dependent on certain seasons.

- Common in agriculture, where labor demand fluctuates with planting and harvesting.

- In rural areas, unemployment often manifests as both Disguised and Seasonal Unemployment due to agricultural dependency.

Option 4 - 1 & 3 are correct.