The Babylonians used separate combinations of two symbols to represent every single number from 1 to 59. That sounds pretty confusing, doesn’t it? Our decimal system seems simple by comparison, with ...

Class 9 Maths Chapter 1 ´Number System` of NCERT Book is best to understand the concept of numbers and make your basics stronger for obtaining good results in exams. You will get here the latest ...

NCERT Exemplar for Class 9 Mathematics (Chapter 1: Number System) is available here for download in PDF format. Students can download the complete PDF of the chapter from the download link given at ...