Question

अनइवन सेंड मी क्वेश्चन पेपर ऑफ मैथ्स ऑफ क्लास नाइंथ चैप्टर फर्स्ट नंबर सिस्टम​

Answer 1

First use of numbers

Nonetheless tallying systems are considered the first kind of abstract numeral system. The first known system with place value was the Mesopotamian base 60 system (c. 3400 BC) and the earliest known base 10 system dates to 3100 BC in Egypt.