## Question 1
What will be the output if the following tree is given as input?

tree = [25, 4, 67, 2, 3, 3, 2]

```
          __ 25 __ 
         |        |
       _ 4 _    _ 67 _ 
      |     |  |      |
      2     3  3      2 
       
```
### Options

1. TRUE
Incorrect

----------------------------

2. FALSE
Correct
The tree is not symmetric because 4 and 67 are not the same.
----------------------------

---------------------------------------------

## Question 2
What will be the output if the following tree is given as input?

tree = [1, 2, 2, 3, null, null, 3]

```
          _ 1 _ 
         |     |
       _ 2     2 _ 
      |           |
      3           3 
       
```
### Options

1. TRUE
Correct
The tree is symmetric around its center. 
----------------------------

2. FALSE
Incorrect

----------------------------

---------------------------------------------

## Question 3
What will be the output if the following tree is given as input?

tree = [1, 2, 2, null, 3, 3, null, 4, 5, 5, 4]

```
          ______ 1 ______ 
         |               |
         2 _           _ 2  
            |         |
          _ 3 _     _ 3 _
         |     |   |     |
         4     5   5     4
       
```
### Options

1. TRUE
Correct
The tree is symmetric around its center. 
----------------------------

2. FALSE
Incorrect

----------------------------

---------------------------------------------