There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

what one word does the below rebus identifies?

What does this rebus mean?

O
N
C
E
TIME

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

What is the next number in this matchsticks series riddle?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

In the image given, you can find several triangles. Can you count them all?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?