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Commas are inserted in a number after each
A) Place
B) Digit
C) Period
D) None of these

Last updated date: 20th Jun 2024
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Hint: Let us consider both the Indian and International system for any number to understand how commas are placed in the number according to both systems.
In Indian system, numbers are measured in crores, lakhs, thousands, hundreds, etc.
In the international system, the numbers are measured in a metric system like billions, millions, hundred-thousands, hundreds, etc.

Complete step-by-step answer:
Consider a number \[N = 156904532\] without any commas.
Here we will apply both International and Indian systems to confront the commas to be used in it.
As, we know in our Indian number system, commas are placed after hundreds, thousands, lakhs and crores.
According to the international number system, commas should be placed from ending after the interval of three digits and making it a hundred and a hundred thousand likewise.
In Indian system, the given number can be written as \[N = 15,69,04,532\], so it has been specified after each period. It can be stated as fifteen crore sixty- nine lakh four thousand five hundred thirty - two. So, commas are placed after each period
In the international system, the number is written as \[N = 156,904,532\], so, we can read it as one hundred fifty- six million nine hundred four thousand five hundred thirty- two.
Hence, it is clear that commas are placed after each period in a number.

Therefore option C is the correct answer.

Note: 1) In India, the number system works in terms of hundred, a thousand, lakh and crores, etc.
2) On the international level, the number system works in terms of hundred, a hundred thousand, a million etc.
3) In both systems, commas are assigned after each period.