What happened when the wheel was invented?

Can you find the hidden animal in the picture below?

A convention is held where all the big logicians are summoned. The master places a band on everyone's forehead. Now all of them can see others bands but can't see his own. Then they are told that there are different colours of bands. All the logicians sit in circle and they are further explained that a bell will ring at regular intervals. The moment when a logician knew the colour of band on his forehead, he will leave at the next bell. If anyone leaves at the wrong bell, he will be disqualified.

The master assures the logicians that the puzzle will not be impossible for anyone of them. How will the logicians manage ?

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

One night, a woman receives a call from the police. They tell her that her husband was murdered and that she should come to the crime scene as soon as possible. The woman drops the phone, shocked, and drives 20 minutes to the crime scene. As soon as she reaches the crime scene, the police arrest her and she is convicted of murder. How do the police know she committed the crime?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

The answer I give is yes, but what I mean is no. What was the question?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?