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  2. Exams
  3. Banking PO
  4. Quantitative Aptitude
  5. Number Systems
Medium2 marks

Number Systems

Divisibility, factors, and HCF-LCM.

3 Topics
6h prep
5.7% subject weight
3 Topics
1

Types of Numbers

Real, Imaginary, Prime, and Composite.

1m 15 PYQs1/10
📌 Key FormulaReal Number Hierarchy
2

Divisibility of number

Shortcuts for division by 2-13.

1m 25 PYQs2/10
📌 Key FormulaSum of digits for 3 and 9
3

Factors and Multiples of numbers

HCF and LCM relationships.

1m 20 PYQs2/10
📌 Key FormulaHCF * LCM = Product of Numbers