Can you make four (4) nines (9) equal 100?

What is wrong in the below Picture?

What month of the year has 28 days?

When does a USA Potato change its nationality?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What type of curtain does this rebus mean

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

Can you count the number of squares in the given picture?

Can you name some countries which do not have the alphabet 'A' in them?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?