# Number System (IMO- Mathematics Olympiad Class 7): Questions 63 - 69 of 81

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## Question number: 63

» Number System

### Question

The value of A in , is________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | 10 | |

b. |
| |

c. | 0 | |

d. | 20 |

## Question number: 64

» Number System

### Question

The value of Y in , is________.

### Choices

Choice (4) | Response | |
---|---|---|

a. |
| |

b. | 4 | |

c. |
| |

d. | 2 |

## Question number: 65

» Number System

### Question

Simplify

### Choices

Choice (4) | Response | |
---|---|---|

a. | 108 | |

b. | 190 | |

c. | 120 | |

d. | 102 |

## Question number: 66

» Number System

### Question

A rational number

### Choices

Choice (4) | Response | |
---|---|---|

a. | Lies to the left side of 0 on the number line | |

b. | Lies to the right side of 0 on the number line | |

c. | It is not possible to represent on the number line | |

d. | Cannot be determined on which side the number lies |

## Question number: 67

» Number System

### Question

A fraction can be expressed as a terminating decimal if y has no prime factors other than ________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | 2, 3 | |

b. | 3, 5 | |

c. | 2, 3, 5 | |

d. | 2, 5 |

## Question number: 68

» Number System

### Question

A rational number

### Choices

Choice (4) | Response | |
---|---|---|

a. | It is not possible to represent on the number line | |

b. | Lies to the right side of 0 on the number line | |

c. | Lies to the left side of 0 on the number line | |

d. | Cannot be determined on which side the number lies |

## Question number: 69

» Number System

### Question

Which of the following statements is correct?

### Choices

Choice (4) | Response | |
---|---|---|

a. | All natural numbers are whole numbers, all whole numbers are integers | |

b. | All integers are whole numbers, all natural numbers are integers | |

c. | All whole numbers are integers, all integers are natural numbers | |

d. | All integers are whole numbers, all integers are natural numbers |