What has one letter and starts with an E?

Can you find out who is the kidnapper in below Picture and why, Explain ?

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

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

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?

Find the 8 in the below-given Image.

Which alphabet letter is a question?

what does the below rebus mean?

How can you take 2 from 5 and leave 4?