Understanding the Idiom 'A Piece of Cake'

What does the idiom 'a piece of cake' mean in English?

• A type of dessert

• Something very difficult

• A complicated task

• Something very easy

Which of the following sentences uses the idiom 'a piece of cake' correctly?

• The exam was a piece of cake, I failed it.

• The marathon was a piece of cake, I couldn't finish it.

• The puzzle was a piece of cake, it took me hours.

• The mountain climb was a piece of cake.

What is the opposite of the idiom 'a piece of cake'?

• A slice of heaven

• A piece of pie

• A tough nut to crack

• A walk in the park

What was unique about the most expensive cake in the world?

• It was made of gold

• It had 4 thousand diamonds

• It was 10 feet tall

• It was made in France

How much did the most expensive cake in the world cost?

• 75 million dollars

• 75 dollars

• 75 billion dollars

• 75 thousand dollars