Teaching HTET TGT Level 2 - 2024 Mock Test Quantitative Aptitude Number System Rational or Irrational Numbers
In which of the following number systems, the addition is closed?
I. Natural numbers
II. Whole numbers
III. Rational numbers
IV Integers
1
III and IV
2
II and III
3
I, III and IV
4
I, II, III and IV