Rectify the following equality 101 - 102 = 1 by moving just one digit.

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

I know a nine-letter word having only one vowel.
Do you ?

It belongs to you, but other people use it more than you do. What is it?

In a contest, four fruits (an apple, a banana, an orange, and a pear) have been placed in four closed boxes (one fruit per box). People may guess which fruit is in which box. 123 people participate in the contest. When the boxes are opened, it turns out that 43 people have guessed none of the fruits correctly, 39 people have guessed one fruit correctly, and 31 people have guessed two fruits correctly.
How many people have guessed three fruits correctly, and how many people have guessed four fruits correctly

What is the word or phrase?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Complete the table series riddle by finding the number that can replace "??".

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?