# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 856 - 862 of 1059

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## Question 856

### Question

MCQ▾The first and last terms if four different numbers are in proportion are called

### Choices

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

a. | Means | |

b. | Extremes | |

c. | Antecedents | |

d. | Consequents |

## Question 857

### Question

MCQ▾In a , if , then respectively are

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 858

### Question

MCQ▾Distance from flat A to flat B is 20 km and distance from flat B to flat C is 35000 m, then the ratio of distance from flat A to flat B and distance from flat B to flat C is

### Choices

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

a. | 3: 5 | |

b. | 4: 7 | |

c. | 5: 3 | |

d. | 7: 4 |

## Question 859

### Question

MCQ▾Length and width of a rectangle field measures 60 m and 45 m. The distance covered by a man going around the field 3 times is

### Choices

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

a. | 460 m | |

b. | 160 m | |

c. | 690 m | |

d. | 630 m |

## Question 860

### Question

MCQ▾The area of a square is numerically half of the perimeter of the square, then the side of square is

### Choices

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

a. | 3 | |

b. | 2 | |

c. | 4 | |

d. | 5 |

## Question 861

### Question

MCQ▾In an exam, the ratio of marks of mathematics to marks of science is 7: 9. If marks of science is 90, then the marks of mathematics is

### Choices

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

a. | 70 | |

b. | 75 | |

c. | 71 | |

d. | 80 |

## Question 862

### Question

MCQ▾A square has

### Choices

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

a. | Three lines of symmetry | |

b. | Two lines of symmetry | |

c. | One line of symmetry | |

d. | Four lines of symmetry |