Which number should replace the question mark?

There are three cows, two dogs, and one cat: How many legs do you have?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

How can you tell a raw egg from a hard-boiled egg?

What has lots of eyes, but can’t see?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

Readers with high attention to detail can spot the mistake in the stack of shoes in 5 seconds. Are you one of them? Test your visual skills now!

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?