Find out the number of circles in the given picture having Illusion

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

A blonde put eyeliner on her head. Why?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

Chef Andrea has to light the kitchen stoves to open her restaurant for the day. There are three stoves in the kitchen: A glass stove, a brick stove, and a wood stove. She only has one match. Which does she light up first?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

Can you find the hidden animal in the picture below?

I taste better than I can smell. Who am I?