Choose the appropriate question tag for the following sentence out of the options given below:

Let's have a game of cricket.

shall we?

The correct answer is Option (3) → shall we?

The correct question tag is:  shall we?

When a sentence starts with "Let's" (suggesting a proposal or suggestion), the appropriate question tag is usually "shall we?". This tag is used to confirm or seek agreement on the suggestion.

So, the complete sentence is: "Let's have a game of cricket, shall we?"