1. | The counting set [1,2,3,.......] with base 10 is also known as? | ||

A. | Set of natural numbers | ||

B. | Set of whole numbers | ||

C. | Set of integers | ||

D. | Set of natural numbers |

2. | The solution of the equation x+2=2 was not possible in the set of natural numbers so it was extended to form? | ||

A. | Set of real numbers | ||

B. | Set of whole numbers | ||

C. | Set of integers | ||

D. | Set of real numbers |

3. | The negative integers were introduced because the following equation was not satisfied by the set of whole numbers? | ||

A. | x + 2 = 2 | ||

B. | x + 4 = 2 | ||

C. | x + 2 = 4 | ||

D. | x + 2 = 2 |

4. | Solution of the equation of the type 2x = 3 leads to the invention of? | ||

A. | Set of integers | ||

B. | Set of negative numbers | ||

C. | Set of rational numbers | ||

D. | Set of integers |

5. | The solution of the equation such as x^{2} = a ? | ||

A. | Q | ||

B. | Q^{/} | ||

C. | R | ||

D. | Q |

6. | Which number in the set of whole numbers could satisfy the equation x + a = b if a > b ? | ||

A. | a | ||

B. | -a | ||

C. | d | ||

D. | a |

7. | A number that can be written in the form p/q where p,q ∈ Z∧ q≠ is called? | ||

A. | Natural numbers | ||

B. | Integer | ||

C. | Rational numbers | ||

D. | Natural numbers |

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