What has a ring but no finger?

What word is pronounced the same if you take away four of its five letters?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name 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?

I taste better than I can smell. Who am I?

Different lights make me strange by changing me into different sizes. What am I?

Move four matchsticks to the below square to form three squares?

I am thinking of a five-digit number such that:
The first and last digits are the same, their submission is an even number and multiplication is an odd number and is equal to the fourth number. Subtract five from it and we obtain the second number. Then divide into exact halves and we get the 3rd number.

What number I am thinking of?