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?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

Can you place three balls such that the equation shown in the picture holds true?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

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

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?