Hazrat Ali's (as) was known for his mathematical genius.

Here are some Mathematical problems that he solved while he was Khalifa.

One Day a person came to Ali (A.S.), He asked "Ali, tell me a number, that if we divide it by any number from 1-10 the answer will always come in the form of a whole number and not as a fraction."

Ali Looked back at him and said, "Take the number of days in a year and multiply it with the number of days in a week and you will have
your answer."

The person got astonished but as he was a Mushrik he still didn't believe Ali (A.S.). He calculated the answer Ali (AS) gave him. To his amazement he came across the following results:

The number of Days in a Year = 360 (in Arabic Calendar)

The Number of Days in a Week = 7

The product of the two numbers = 2520

Now ... 2520 1 = 2520

2520 2 = 1260

2520 3 = 840

2520 4 = 630

2520 5 = 504

2520 6 = 420

2520 7 = 360

2520 8 = 315

2520 9 = 280

2520 10= 252

 

A person was about to die, and before dying he wrote his Will which went as follows ...

"I have 17 Camels, and I have three sons. Divide my Camels in such a way, that My eldest son gets half of them,

the second one gets 1/3rd of the total

and my youngest son gets 1/9th of the total number of Camels"

After his death when the relatives read his will they got extremely perplexed and said to each other that how can we divide 17 camels like this.

So after a long hard thought they decided that there was only one man in Arabia who could help them: "Ali Ibne Abi Taalib."

So they all came to the door of Ali (A.S.) and put forward their problem.

Ali (A.S.) said, "Ok. I will divide the camels as per the man's will." Ali (A.S.) said, "I will lend one of my camels to the total which makes it
18 (17+1=18), now lets divide as per his will"

The Eldest gets 1/2 of 18 = 9
The second one gets 1/3 of 18 = 6
and The Youngest gets 1/9 of 18 = 2
Now the total number of camels = 17
Then Ali (A.S.) said, "Now I will take my Camel back"