John was piloting a plane behind a car but was never able to overtake it. Why?

I can be cracked, made, told, and played. What am I?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

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?

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?

Can you decipher the two rows to find the hidden word?

Find the next number in the series below

21 32 54 87 131 ?

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