When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

Can you complete the sequence puzzle?

AR TA GE CA LE VI LI _

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

How many letters are in the alphabet?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

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