Which of the below owl is odd one out?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

How many times can you subtract the number 5 from 25?

A man dies of old age on his 25 birthday. How is this possible?

What does below Rebus mean ?

esgg sgeg gegs gsge

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?