Why Wine Glass Stem is so long?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

What two things can you never eat for breakfast?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Why did Buffon take the goal with him after every Juventus match?

What word does this rebus represent?

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