# IMO- Mathematics Olympiad Class 8: Questions 162 - 170 of 1029

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## Question number: 162

### Question

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

### Choices

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

a. | 1.92 | |

b. | 2.50 | |

c. | 4.00 | |

d. | 2.30 |

## Question number: 163

### Question

= ________

### Choices

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

a. | 13 | |

b. | 17 | |

c. | 14 | |

d. | 15 |

## Question number: 164

### Question

If then value of is________.

### Choices

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

a. | 4 | |

b. | 2 | |

c. | 3 | |

d. | 1 |

## Question number: 165

### Question

If , and value of then

### Choices

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

a. | 1 | |

b. | 0 | |

c. | 3 | |

d. | 2 |

## Question number: 166

### Question

The number must be subtracted from 2329 to get a perfect square is________.

### Choices

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

a. | 25 | |

b. | 10 | |

c. | 15 | |

d. | 20 |

## Question number: 167

### Question

Square root of is________.

### Choices

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

a. | 0.5 | |

b. | 0.2 | |

c. | 0.4 | |

d. | 0.1 |

## Question number: 168

### Question

A number is multiplied by itself and then 6 is added to the product. If the final result is 175, then find the original number.

### Choices

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

a. | 14 | |

b. | 13 | |

c. | 16 | |

d. | 12 |

## Question number: 169

### Question

A number is multiplied by half to itself and then 5 is subtracted from the product. If the final result is 123, then find the original number.

### Choices

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

a. | 12 | |

b. | 16 | |

c. | 14 | |

d. | 11 |

## Question number: 170

### Question

The number must be subtracted from 6089 to get a perfect square is________.

### Choices

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

a. | 8 | |

b. | 7 | |

c. | 5 | |

d. | 18 |