# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 435 - 440 of 1042

Access detailed explanations (illustrated with images and videos) to **1042** questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. *Unlimited Access, Unlimited Time, on Unlimited Devices*!

View Sample Explanation or View Features.

Rs. 450.00 -OR-

How to register? Already Subscribed?

## Question 435

### Question

MCQ▾Two cubes have their volumes in the ratio 1: 8. Find the ratio of their surface areas.

### Choices

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

a. | 1: 4 | |

b. | 7: 9 | |

c. | 1: 9 | |

d. | 5: 3 |

## Question 436

### Question

MCQ▾A child walked 17 m to cross a rectangular field diagonally. If breadth of field is 8 m, its length is________.

### Choices

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

a. | 15 m | |

b. | 20 m | |

c. | 11 m | |

d. | 12 m |

## Question 437

### Question

MCQ▾Three cubes whose edges are 3 cm, 4 cm, and 5 cm respectively are melted without any loss of metal into a single cube. The edge of new cube is________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 438

### Question

MCQ▾If a wire is bent into the shape of a square, then the area of the square is 49 sq. cm. When the wire is bent into a semicircular shape, then the area of the semi-circle will be________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 439

### Question

MCQ▾A child walked 13 m to cross a rectangular field diagonally. If breadth of field is 5 m, its length is________.

### Choices

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

a. | 20 m | |

b. | 12 m | |

c. | 11 m | |

d. | 15 m |

## Question 440

### Question

MCQ▾The perimeter of a trapezoid is 80 cm and its non-parallel sides are each equal to 17 cm and its altitude is 15 cm. Its area is________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |