What happened when the wheel was invented?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

How can one talk without saying a single word?

What part of Turkey has the most feathers?

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

What does below Rebus say?

XLR8

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

What does this rebus riddle means ?

If 21x = 79x, what is the value of x?