What does this rebus riddle means ?

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

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

If your uncle’s sister is not your aunt, what relation is she to you?

In the image below, can you find the value of an angle(y)

what one word does the below rebus identifies?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

What has no start, end, or centre?

What has one letter and starts with an E?