If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What does the below mathematical rebus mean?

Can you solve this tricky maths equation problem by replacing it? mark with the correct symbol?

19834 -----: 187
15921 -----: 153
17561 -----: 139
13734 -----: ???

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

What is the chance of picking a pair of blue socks?

I am a five-letter word and people eat me. If you remove the first letter I become an energy form. If you remove the first two letters, I am needed to live. Scramble the last three letters and I am a drink. What word am I?

What type of tree can I carry in my hand?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

What number should come in place of the question mark below?

What is red and smells like blue paint?