An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

I know a nine-letter word having only one vowel.
Do you ?

What is the word or phrase below?
R | E | A | D

Rebus Puzzle Definition: A rebus is an illusion device that uses pictures to represent words or parts of words.
What does This Rebus Puzzle Identify?

Before Mount Everest was discovered, what was the highest mountain in the world?

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

In the image below, can you find the value of an angle(y)

Solve the equation in the image by looking at the pattern closely.