I have an eye but still cannot see.

Who am I?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

Can you count the number of quadrilaterals in the picture below?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Which fur should we be getting from the Lion?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

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?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?