CTET Class I to V 2019 Dec Paper

Hindu-Arabic System. The Hindu-Arabic numeration system is a base ten place value system that uses ten numerals. The ten numerals (or digits) are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. ... The place value of each column is ten times greater in value than the place value in the column to its right.
Hence according to this explanation the does not follow, So correct option is (a).