The Arabic system
The one we use today is mainly the Hindu-arabic one (they invented 0)
Yes
It is the number system we use everyday.
192 is a Hindu/Arabic number. The Hindu/Arabic number system is the system used for writing numbers in most countries of the world.
Hindu Arabic numeral system was invented by Indian mathematicians.
Most people in Afghanistan use an eastern version of the Hindu-Arabic numerals. The western Arabic numerals, the same ones used in English-speaking countries, are also widely used in Afghanistan.
Arabic
The system is the same as our modern system, since we derived our numbers from them.
Indo-Arabic.
hindu-arabic is basically your normal number system - 123456789 etc
Our number system of 0 to 9 is derived from the Hindu-Arabic numeral system.