# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 132 - 141 of 1042

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## Question 132

### Question

MCQ▾Find the smallest square number which is exactly divisible by 8,12,15, and 20 is, ________

### Choices

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

a. | 180 | |

b. | 2500 | |

c. | 900 | |

d. | 3600 |

## Question 133

### Question

MCQ▾Which of the following is not a perfect square?

### Choices

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

a. | 12544 | |

b. | 23457 | |

c. | 100489 | |

d. | 5329 |

## Question 134

## Question 135

## Question 136

### Question

MCQ▾A number is multiplied by half of itself and then 10 is added to the product. If the final result is 82, then find the original number.

### Choices

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

a. | 14 | |

b. | 13 | |

c. | 11 | |

d. | 12 |

## Question 137

### Question

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

### Choices

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

a. | 2.50 | |

b. | 5.42 | |

c. | 2.30 | |

d. | 1.92 |

## Question 138

## Question 139

### Question

MCQ▾The square root of correct to two decimal places is

### Choices

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

a. | 2.86 | |

b. | 1.87 | |

c. | 2.88 | |

d. | 2.33 |

## Question 140

### Statement

True-False▾If p and q are perfect squares, then is always a rational number, is the statement true?