What is the next shape from answers A, B, C, and D figure?

Find the Goldfish below the given Image.

Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

I always drive my customer away.

Who am I?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.