Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

What is the riddle which can be asked all day with a different correct answer each time.

81 x 9 = 801. What must you do to make the this equation true?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

Given below is simple addition with a defined pattern pattern:
7 + 7 = 2
8 + 8 = 4
8 + 5 = 1
6 + 9 = 3
10 + 11 = 9

Can you analyze the pattern and find out the answer for:

4 + 9 = ?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Which city is three-fifths chick two third cat and 50% goat?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?