1. What is the output of the following code?

```javascript console.log(5 + 3 * 2); ``` a) 16
b) 13
c) 11
d) 10

2. Which keyword is used to declare a constant in JavaScript?

a) let
b) const
c) var
d) static

3. How do you declare a function in JavaScript?

a) function myFunction() {}
b) def myFunction() {}
c) void myFunction() {}
d) func myFunction() {}

4. What is the output of the following code?

```javascript let x = 5; let y = 10; console.log(x == y); ``` a) true
b) false
c) x
d) y

5. How do you create an array in JavaScript with the elements 1, 2, and 3?

6. Explain the difference between let and var in JavaScript.

7. Write a JavaScript expression to check if the string "hello" contains the substring "ell".

8. What is the purpose of the async and await keywords in JavaScript?