If six children and two dogs were under an umbrella, how come none of them got wet?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

What kind of tree can you carry in your hand?

I have no life, but I can die. What am I?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

Kohli and Dhoni decided to have a paintball match.
Kohli told Dhoni, "Sir it is not right as you got thrice the paintballs I have".

Dhoni instantly gives Kohli 10 hit paintballs.
Kohli replied, "Sir, I believe you still have twice the paintballs than I have".

Dhoni gives "?" more paintballs to Kohli.
Kohli replied, "Sir it is even now, Let us have a match".

What is "?".

How many Watermelons are there in the below picture?

The centre of the third figure is empty. What digit should fit inside?