What is always in front of you but can’t be seen?

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

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Find the smallest sentence with all the English alphabet.

People put me on the table and cut me but do not eat me. What am I?

Find the 8 in the below-given Image.

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?