A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

What is the Surname of Barbie Doll?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

It spends most of its day eating white, but when it’s quick enough, it gets to eat fruit and sometimes some blue things. It’s in a dark room, where the walls are blue, it runs from a ghost that roams the halls and haunts it all the time. What is it?

Can you decipher the below rebus?

PBLUESAISNUERSES

If two's company, and three's a crowd, then whats four and five ?

Why do you find that most of the buildings are deprived of the 13th floor?

What has one letter and starts with an E?