# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 35 - 41 of 1022

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## Question 35

### Question

MCQ▾The product of two rational numbers is . If one of the numbers is , then the other number is________.

### Choices

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

a. | 22 | |

b. | 36 | |

c. | 49 | |

d. | 27 |

## Question 36

### Question

MCQ▾The value of y such that and are equivalent rational numbers is________.

### Choices

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

a. | ||

b. | ||

c. | 5 | |

d. | 15 |

## Question 37

## Question 38

### Question

MCQ▾A gardener plans to plant 630 trees in 21 rows each containing the same number of trees, then how many trees will there be in each row?

### Choices

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

a. | 3 | |

b. | 30 | |

c. | 21 | |

d. | 300 |

## Question 39

### Question

MCQ▾The sign of the product of one positive integer and one negative integer is________.

### Choices

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

a. | Negative | |

b. | Positive or Negative | |

c. | Positive | |

d. | Cannot be determined |

## Question 40

### Question

MCQ▾What will be the sign of the product if we together multiply 200 negative integers and 12 positive integers?

### Choices

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

a. | Negative | |

b. | Data is insufficient | |

c. | Positive | |

d. | Can՚t say |

## Question 41

### Question

MCQ▾What will be the sign of the product if we together multiply 199 negative integers and 10 positive integers?

### Choices

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

a. | Negative | |

b. | Can՚t say | |

c. | Positive | |

d. | Data is insufficient |