Can you find out the missing number in the grid?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Open a Laptop which is password protected. Hint for the password is given as below:

1 mobile 3 books 2 Boards 1 night 4 balls 2 lighters 1 ghost 1 hat 3 watches

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

A father's child, a mother's child, yet no one's son.

Who am I?

Identify the hidden meaning behind this picture?

How can you tell a raw egg from a hard-boiled egg?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?