Before Mount Everest was discovered, what was the highest mountain in the world?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

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

Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

What you cannot hold but it is yours?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

Do You See It?

How many letters are in the alphabet?