Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

What does this rebus mean?

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Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

What is the riddle which can be asked all day with a different correct answer each time.

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

Can you write down eight eights so that they add up to one thousand?

Can you solve this picture maths equation?

I’m tall when I’m young, and I’m short when I’m old. What am I?

10+10 and 11+11 can give you the same answer.

Explain how?

Replace the question mark with the correct number in below Picture: