What has a ring but no finger?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

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?

Count the number of lines in the image below ?

Can you find the hidden animal in the picture below?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

Find out the missing number in the picture attached:

What can go through glass without breaking it?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?