I look at you, you look at me I raise my right, you raise your left. What am I?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

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

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

What demands an answer, but asks no questions

You bought me for dinner but never eat me. What am I?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

Prove that the below maths equation is true.

8 + 8 = 91