# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 441 - 445 of 1042

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## Question 441

### Question

MCQ▾The radii of the bases of two cylinders are in the ratio of 2: 3 respectively and their heights are in the ratio 1: 2 respectively, find the ratio of their volumes**.**

### Choices

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

a. | 3: 4 | |

b. | 1: 3 | |

c. | 3: 2 | |

d. | 2: 9 |

## Question 442

### Question

MCQ▾Three solid cubes of sides 3 cm, 4 cm and 5 cm are melted to form a new cube. Find the surface area of the cube so formed.

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |

## Question 443

### Question

MCQ▾Between a square of perimeter 64 cm and a circle of circumference 64 cm, which figure has larger area and by how much?

### Choices

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

a. | Circle, 60 | |

b. | Circle, 70 | |

c. | Square, 70 | |

d. | Question does not provide sufficient data or is vague |

## Question 444

### Question

MCQ▾A square garden measuring 5 m on a side is surrounded by a 1 m wide path. What is the area of the path?

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |

## Question 445

### Question

MCQ▾The radii of the bases of two cylinders are in the ratio of 3: 4 respectively and their heights are in the ratio 4: 5 respectively, find the ratio of their volumes.

### Choices

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

a. | 3: 20 | |

b. | 20: 3 | |

c. | 20: 9 | |

d. | 9: 20 |