There are three boxes which are labeled as Rs100, Rs150, and Rs200. One box contains two notes of Rs. 50. The second box contains one note of Rs50 and one note of Rs100 The third box contains two Rs. 100 notes. All boxes are labeled incorrectly.

What is the minimum number of boxes you must check in order to label all boxes correctly?

Move any three matchsticks to form three triangles?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

The nine Horses are square fenced as shown in the picture below. By constructing just two square fences can you make sure that two Horses cannot meet each other without crossing the fence?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

Distances from you to certain cities are given below.
BERLIN 200 km
PARIS 300 km
ROME 400 km
AMSTERDAM 300 km
CARDIFF ?? km

A man dies of old age on his 25 birthday. How is this possible?