If a wheel has 54 spokes, how many spaces are there between the spokes?

Replace the question mark with the correct number in below Picture:

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Solve the following series:
AZ, GT, MN, __, YB

Can you decipher the below rebus?

PBLUESAISNUERSES

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

What is harder to catch the faster you run?

I’m tall when I’m young, and I’m short when I’m old. What am I?