# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 457 - 463 of 1059

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## Question 457

## Question 458

## Question 459

### Question

MCQ▾The basic elements of a cube are

### Choices

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

a. | 8 angles | |

b. | 8 vertices | |

c. | 12 sides | |

d. | All a., b. and c. are correct |

## Question 460

## Question 461

### Question

MCQ▾A quadrilateral is a rhombus but not a square if

### Choices

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

a. | Its diagonal do not bisect each other | |

b. | The lengths of the diagonals are not equal | |

c. | Its diagonals are perpendicular | |

d. | Opposite angles are not equal |