Can you count the number of lines in the below picture?

What does the below mathematical rebus mean?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

You need to arrange three 7 and mathematical symbols to form number 1?

How many times in a given day, minutes and hour clock comes in a straight line ?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

I have holes on the top and bottom. I have holes on my left and on my right. And I have holes in the middle, yet I still hold water. What am I?