# Direct and Inverse Proportions (IMO- Mathematics Olympiad Class 8): Questions 35 - 41 of 62

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## Question number: 35

» Direct and Inverse Proportions

### Question

For a group of 24 students food lasts for 35 days. For how many days will the same food last for 30 students?

### Choices

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

a. | 25 days | |

b. | 30 days | |

c. | 28 days | |

d. | 20 days |

## Question number: 36

» Direct and Inverse Proportions

### Question

If 6 men take two hour to dig a ditch, how long should it take 16 men to dig a ditch of the same type?

### Choices

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

a. | 53 min | |

b. | 35 min | |

c. | 20 min | |

d. | 45 min |

## Question number: 37

» Direct and Inverse Proportions

### Question

The ratio which bears to is________.

### Choices

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

a. | 1.78 | |

b. | 1.64 | |

c. | 1.50 | |

d. | 1.68 |

## Question number: 38

» Direct and Inverse Proportions

### Question

A man completes of a job in 15 days. At this rate how many more days will it take him to finish the job?

### Choices

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

a. | 27 | |

b. | 22 | |

c. | 22.5 | |

d. | 25 |

## Question number: 39

» Direct and Inverse Proportions

### Question

can do a piece of work in 10 days and can do alone it in 12 days. B works at it for 5 days and then leaves. alone can finish the remaining work in________.

### Choices

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

a. | 5.8 days | |

b. | 7.5 days | |

c. | 6 days | |

d. | 6.5 days |

## Question number: 40

» Direct and Inverse Proportions

### Question

1.20 of a number equals 0.36 of another number. The ratio of the number is________.

### Choices

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

a. | 10: 3 | |

b. | 3: 10 | |

c. | 3: 2 | |

d. | 2: 3 |

## Question number: 41

» Direct and Inverse Proportions

### Question

If 4 men take an hour to dig a ditch, how long should it take 10 men to dig a ditch of the same type?

### Choices

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

a. | 20 min | |

b. | 23 min | |

c. | 24 min | |

d. | 30 min |