Question

zero ki khoj aryabhatt ne ki thi lekin usse pahle 100 korav the batao kaise

Answer 1

Well
Tehy have counted but don't they know that the Kouravas are in numbers

They have their own counting methods

Answer 2

Maybe its just a saying that they were 100 in number, but yeah, at their time, they might have had their own counting!

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