What Time Should the last watch show in the below figure?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

Decode this picture on T-Shirt and tell what it says ?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

Decode below rebus
D
N
A
T
S , D

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?