If you say my name, I will no longer exist. What am I?

Can you find out the remainder when 3^300 is divided by 5?

Can you find the dog hidden in a group of pandas?

What can jump higher than a building?

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

How many letters are in the alphabet?

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

I’m tall when I’m young, and I’m short when I’m old. What am I?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?