what does the below rebus means?

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?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

Which fur should we be getting from the Lion?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Can you place six X (crosses) in below board without making three in a row in any way ?

What is at the end of a rainbow?