2, 3, 5, 9, 17, _ What is the next number in the sequence?

Can you divide the below-given shape into four equal and identical pieces?

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

I have an eye but still cannot see.

Who am I?

10+10 and 11+11 can give you the same answer.

Explain how?

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

Why is the Hole below a Lock?

Can you find a rabbit in the given picture?

You walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, six cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?