What occurs twice in a week, once in a year but never in a day?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

Can you count the number of lines in the below picture?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

I cannot talk, but I always reply when spoken to. What am I?

The more it dries, the wetter it becomes. Can you tell what it is?

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

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

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?