Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What is the longest word in the dictionary?

You need to move three matchsticks to form three squares. Can you do it?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

Why Aeroplane windows are round?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

Find The Odd One Out

1. FLOW
2. SNIP
3. TRAP
4. DRAW
5. BACK

What is the end of everything?