# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 164 - 169 of 931

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## Question 164

### Question

MCQ▾In the adjoining figure, point P the intersection of lines l1 and l2 has coordinates (a, b) as shown here. Which of the following could be the ordered pair (a, b)?

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 165

### Question

MCQ▾The supplementary angle of an angle is one third of itself. Then the angle of its supplement are________

### Choices

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

a. | 135˚, 45˚ | |

b. | 120˚, 360˚ | |

c. | 60˚, 120˚ | |

d. | 60˚, 180˚ |

## Question 166

## Question 167

### Question

MCQ▾If a straight line meets two other straight lines so as to make the sum of the two interior angles on one side of the transversal less than two right angles, then the other straight lines extended infinitely, will meet ________ the transversal

### Choices

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

a. | Can’t be determined | |

b. | On that side of | |

c. | On another side of | |

d. | On |

## Question 168

### Question

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

### Choices

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

a. | 18˚, 72˚ | |

b. | 50˚, 200˚ | |

c. | 120˚, 60˚ | |

d. | 40˚, 160˚ |

## Question 169

### Question

MCQ▾In figure, lines a and b intersect at O. if, the value of y, z and u respectively is ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |