I have thought of a number that is made up by using all the ten digits just once. Here are a few clues for you to guess my number:
First digits is divisible by 1.
First two digits are divisible by 2.
First three digits are divisible by 3.
First four digits are divisible by 4.
First five digits are divisible by 5.
First six digits are divisible by 6.
First seven digits are divisible by 7.
First eight digits are divisible by 8.
First nine digits are divisible by 9.
The number is divisible by 10.
Can you find out the number ?
Can you name an animal whose killing cannot be performed without spilling your own blood?
Can you Find and name the hidden bird in the picture below ?
What four weights can be used to balance from 1 to 30 pounds?
Can you identify the hidden rebus in the image below?
Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?
When I get multiplied by any number, the sum of the figures in the product is always me. What am I?
Luis Garavito killed Density x Volume.
Who is Luis Garavito ?
I’m tall when I’m young, and I’m short when I’m old. What am I?
What is the centre of gravity?
How many pluses should we put between the digits of 987654321 to get a total of 99, and where?
In Canada, a mathematical puzzle must be solved in order to win the lottery to classify it as a “game of skill” not gambling.