Do You See It?

What number divided by 4 is the same as that number minus 4?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Using Only Five 5's and any mathematical operator make sum as 37

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

I shave every day, but my beard stays the same. What am I?

You can see three almost identical images below. Can you spot the odd one out from them?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

What 5-letter word typed in all capital letters can be read the same upside down?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.