Solution:

The sun is a star.

Explanation:
Let us find out how we got there.

- Substitute a word with its antonym.
The pound is not a start.

- Eliminate one letter from one word.
The pound is not a star.

- Remove one word.
The pound is a star.

- Take out a letter and insert another in its place.
The sound is a star.

- Take out two letters from one word.
The sun is a star.

Solution:

Image C

Explanation:
If we add one matchstick to any other image, it forms a full-length capital letter.

Solution:

It can be done as shown in the picture below.

Solution:

Fri, 19 Aug 1983 00:00:00 GMT

The time mentioned was in Unix timestamp.

Solution:

0(zero) off course.

Solution:

The delivery guy ran around the tree in circles and the dog followed him and dog eventually wrapped himself around the tree. As a result, the dog can't reach the main gate now.

Solution:

In a microwave,

Explanation:
99 implies 1minute and 39seconds
100 i.e 1:00 implies just 1minute

Solution:

2

Explanation:
This is one of the easy number series riddles in which you just need to replace the alphabets from A to Z with 1 to 26.
i.e
A = 1
B = 2
.......
.......
.......
Z = 26

So considering 1st part of equation
D = 4 , W=23 and sum = 27

In a similar fashion.
U21, L=12 and sum = 33.

In last part
G = 7 , O = 15 and sum = 22

Therefore answer is 2.

Solution:

Because Hazard gave the ticket owner 4 quarters which only implies that they need two tickets.

Solution:

A Teddy Bear.

Explanation:
A Teddy Bear: It soothes your heart as people often use it to relax/love.
Pick the last name i.e Bear : It will tear you apart.