Which is the smallest number that you can write using all the vowels exactly once?

What has a ring but no finger?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

I shave every day, but my beard stays the same. What am I?

What does this mathematical rebus means ?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

You are on your way to visit your Friend, who lives at the end of the hill. It is his birthday, and you want to give him the cakes you have made. Between your house and his house, you have to cross 5 bridges, and as it goes in the land of make believe, there is a troll under every bridge! Each troll, quite rightly, insists that you pay a troll toll. Before you can cross their bridge, you have to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake. How many cakes do you have to leave home to make sure that you arrive at a friend's house with exactly two

Can you find out which options fits best with the missing column?

Prove that the below maths equation is true.

8 + 8 = 91

A newspaper is supposed to have 60 pages, but pages 24 and 41 are missing.
Which other pages won't be there?