What is common among 11, 69, and 88?

What type of tree can I carry in my hand?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

Can you identify if it's a murder or a suicide ?

Spot 5 differences in two Christmas tree below:

What seven-letter word has hundreds of letters in it?

Suppose that you are trapped on the surface of a frozen lake. The surface is so smooth and ideal that there is no friction at all. You cant make any grip on the ice and no wind is blowing to help you out. You have just a mobile phone with you which has got no reception disabling you to call for help.

How will you plan your escape before you freeze to death on the frozen lake?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

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?