# IMO- Mathematics Olympiad Class 8: Questions 282 - 289 of 1029

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## Question number: 282

» Quadrilaterals and Practical Geometry

### Question

Sum of the exterior angle of quadrilateral is________.

### Choices

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

a. | 120 | |

b. | 450 | |

c. | 360 | |

d. | 180 |

## Question number: 283

### Question

The simple interest at y % for y years will be Rs. y on a sum of________.

### Choices

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

a. | Rs. | |

b. | Rs. | |

c. | Rs. | |

d. | Rs. |

## Question number: 284

### Question

The simple interest at a % for a years will be Rs. 2a on a sum of________.

### Choices

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

a. | Rs. | |

b. | Rs. | |

c. | Rs. | |

d. | Rs. |

## Question number: 285

» Quadrilaterals and Practical Geometry

### Question

The exterior angle of a regular polygon is one-fifth of its interior angle. How many sides has the polygon?

### Choices

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

a. | 8 | |

b. | 4 | |

c. | 12 | |

d. | 10 |

## Question number: 286

» Quadrilaterals and Practical Geometry

### Question

Which of the following quadrilateral has four right angles?

### Choices

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

a. | Square | |

b. | Rectangle | |

c. | Rhombus | |

d. | Square and rectangle |

## Question number: 287

» Quadrilaterals and Practical Geometry

### Question

If a quadrilateral has all equal sides and parallel opposite sides, it is called________.

### Choices

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

a. | Rectangle | |

b. | Parallelogram | |

c. | Rhombus | |

d. | Kite |

## Question number: 288

» Quadrilaterals and Practical Geometry

### Question

The number of sides of a regular polygon whose each interior angle has a measure of is________.

### Choices

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

a. | 3 | |

b. | 8 | |

c. | 6 | |

d. | 5 |

## Question number: 289

» Quadrilaterals and Practical Geometry

### Question

Choose the correct statement.

### Choices

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

a. | Only the square have all the angles right angle. | |

b. | All the sides of rhombus are not congruent. | |

c. | The diagonals of rectangle are not congruent | |

d. | Rectangle has all the sides equal. |