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

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

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

Can you write down eight eights so that they add up to one thousand?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Can you find the missing rabbit the magician? Remember, you just have 11 seconds to complete the task!

What month of the year has 28 days?

How many letters are in the alphabet?