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

Can you name some countries which do not have the alphabet 'A' in them?

A spaceship was lost. The detective was given a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it:
Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

Where is the spaceship?

How many triangles are there in the picture below?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

Which digit occurred maximum times between the number 1 and 1000?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?