Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

In the image below, can you find the value of an angle(y)

Find the Goldfish below the given Image.

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

A gardener planted the Lemon trees in a mathematical ordered way (i.e. he planted a tree in rows).
He created a total of 19 rows of trees.

Note: There should be more than 2 trees to count as a row.

What is the minimum number of trees required by the gardener to have 19 rows of trees?

Next Number in the Series,

5, 16, 49, 104, ?

Decode this picture on T-Shirt and tell what it says ?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

In the picture given below, can you find out which digit will take place of the question mark?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H