Which of the below owl is odd one out?

What does this Rebus Picture mean?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Buy me, smell me or deliver me, I do not change.

Who am I?

Here is a Swiss Cross. You have to make two straight cuts in the figure so that it is divided into four congruent pieces. Also, you should be able to join these pieces into a square then. Can you accept this challenge?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?