# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 119 - 126 of 1040

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## Question number: 119

» Linear Equations in One Variable

### Question

A man is 6 years older than his wife and his wife is now thrice as old as their daughter, who is 10 years old. How old the man when his daughter was born?

### Choices

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

a. | 26 years | |

b. | 20 years | |

c. | 22 years | |

d. | 25 years |

## Question number: 120

» Linear Equations in One Variable

### Question

Solution of the equation is_.

### Choices

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

a. | 5 | |

b. | 9 | |

c. | 10 | |

d. | 3 |

## Question number: 121

### Question

Squares of an even numbers is always________.

### Choices

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

a. | Odd | |

b. | Even | |

c. | All of the above | |

d. | None of the above |

## Question number: 122

### Question

If , then can be

### Choices

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

a. | 13 | |

b. | 12 | |

c. | 11 | |

d. | 15 |

## Question number: 123

### Question

Square root of 2401 is________.

### Choices

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

a. | 87 | |

b. | 78 | |

c. | 49 | |

d. | 76 |

## Question number: 124

### Question

A number is multiplied by itself and then 15 is subtracted from the product. If the final result is 2545, then find the original number.

### Choices

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

a. | 30 | |

b. | 31 | |

c. | 13 | |

d. | 32 |

## Question number: 125

### Question

The area of a square field is sq. m. The length of each side of the field is ________.

### Choices

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

a. | 2.00 | |

b. | 2.50 | |

c. | 4.00 | |

d. | 1.92 |

## Question number: 126

### Question

The number must be subtracted from 13245 to get a perfect square is________.

### Choices

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

a. | 15 | |

b. | 20 | |

c. | 11 | |

d. | 10 |