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?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

A man walked into a pub and went straight towards the Barman. He asked for a dirty martini from the Barman. The Barman thought something and then pulled out a pistol from his drawer and aimed it directly at the man. Why did he do that?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Can you find the thief by just looking at the picture below?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

Replace the question mark with the correct number in the below-given picture?

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

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?