Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

I have branches, but no fruit, trunk or leaves. What am I?

What does the below rebus riddle means?

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

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?

What is the next number?

77, 49, 36, 18 ?

Do You See It?

How many triangles can you find in this given picture?