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

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

A bomb exploded in a room full of married couples and no one died. How?

How many triangles are there on the puzzle below?

Through your logical capabilities, can you make 7 an even?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

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

Can you find the number?