Can you identify the hidden rebus in the image below?

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

What is full of holes but still holds water?

I am an odd number. Take away a letter and I become even. What number am I?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

Mr Black, Mr Gray, and Mr White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr Black, who hits his shot 1/3 of the time, gets to shoot first. Mr Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr White, who hits his shot all the time, shoots next, assuming he is also alive. The cycle repeats. If you are Mr Black, where should you shoot first for the highest chance of survival?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

The peacock is a bird that does not lay eggs. How do they get baby peacocks?