## Exam-Style Questions on Number Systems## Problems on Number Systems adapted from questions set in previous Mathematics exams. |

## 1. | IB Studies |

This Venn diagram shows the relationship between the sets of numbers

$$\mathbb N, \mathbb Z, \mathbb Q \text{ and } \mathbb R$$Write down the following numbers in the appropriate place in the Venn diagram.

(a) \(5\)

(b) \(\frac23\)

(c) \(\pi\)

(d) \(0.91\)

(e) \(\sqrt 7\)

(f) \(-0.75\)

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