Yes, the statement is correct. Non-current investments refer to long-term assets that a business entity holds for the purpose of generating income or profit over a period of time. These investments are not easily convertible into cash within a short period, typically exceeding one year.

The non-current investments can include various assets such as trucks, buildings, machinery, and land that are used in the business operations. These assets are considered as long-term investments because they are expected to be utilized by the business for an extended period of time, rather than being sold or converted into cash immediately.

Here is a detailed explanation of the statement:

1. Non-Current Investments:
- Non-current investments are long-term assets held by a business entity.
- These investments are not easily convertible into cash within a short period, typically exceeding one year.
- They are expected to generate income or profit over a period of time.

2. Assets used in Business Operations:
- The statement mentions that a truck, building, machinery, and land are being used in the business operation.
- These assets are essential for the day-to-day operations and functioning of the business.
- The truck is likely used for transportation or delivery purposes.
- The building serves as the business premises, providing space for various activities.
- Machinery is used for production or manufacturing processes.
- Land may be utilized for various purposes, such as setting up a factory or warehouse.

3. Non-Current Investments in Business:
- The mentioned assets, i.e., truck, building, machinery, and land, are considered non-current investments.
- These assets are not intended for immediate sale or conversion into cash.
- Instead, they are used by the business entity over an extended period to generate income or profit.
- They are recorded on the balance sheet as long-term assets under the category of non-current investments.

Overall, the statement correctly identifies the truck, building, machinery, and land used in the business operation as non-current investments. These assets are crucial for the business's long-term operations and contribute to its overall profitability.