# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 107 - 113 of 931

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## Question 107

### Question

MCQ▾In the figure the bisectors of ∠PQR and ∠PRQ intersect each other at O, then ∠QOR is ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 108

## Question 109

### Question

MCQ▾The given figure ABCD is a parallelogram then the values of and are________

### Choices

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

a. | 70˚, 25˚ | |

b. | 35˚, 60˚ | |

c. | 25˚, 70˚ | |

d. | 55˚, 40˚ |

## Question 110

### Question

MCQ▾The measure of an angle is eight times the measure of its supplementary angle. Then the angles are________

### Choices

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

a. | 65˚, 45˚ | |

b. | 20˚, 160˚ | |

c. | 63˚, 157˚ | |

d. | 140˚, 60˚ |

## Question 111

### Question

MCQ▾In the figure below, lines WX and YZ intersect at O. if and , then are equal to ________

### Choices

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

a. | 154˚ | |

b. | 158˚ | |

c. | 150˚ | |

d. | 190˚ |

## Question 112

### Question

MCQ▾If , and, then x and y respectively are ________

### Choices

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

a. | 35˚, 55˚ | |

b. | 90˚, 30˚ | |

c. | 45˚, 35˚ | |

d. | 65˚, 25˚ |

## Question 113

### Question

MCQ▾In the given figure, XY is a mirror, AB is the incident ray and BC is the reflected ray. If ∠ABC = 116˚, then ∠CBY is ________

### Choices

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

a. | 43˚ | |

b. | 21˚ | |

c. | 23˚ | |

d. | 32˚ |