# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 207 - 213 of 931

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## Question 207

### Question

MCQ▾Two supplementary angles differ by 58˚. Then the angles are ________

### Choices

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

a. | 118˚, 62˚ | |

b. | 119˚, 61˚ | |

c. | 116˚, 64˚ | |

d. | 117˚, 63˚ |

## Question 208

### Question

MCQ▾ABC is an equilateral triangle for side . P, Q and R are midpoints of AB, CA and BC respectively. The area of triangle PQR is (in) ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 209

## Question 210

### Question

MCQ▾In the figure, form a linear pair and . Then a, b respectively are________

### Choices

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

a. | 70˚, 110˚ | |

b. | 70˚, 120˚ | |

c. | 160˚, 70˚ | |

d. | 130˚, 50˚ |

## Question 211

### Question

MCQ▾If two supplementary angles are in the ratio 2: 3, then the angles is ________

### Choices

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

a. | 140˚, 80˚ | |

b. | 185˚, 50˚ | |

c. | 72˚, 108˚ | |

d. | 160˚, 36˚ |

## Question 212

### Question

MCQ▾The angles A, B, C, D, in the parallelogram ABCD are________

### Choices

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

a. | 90˚, 45˚, 30˚, 15˚ | |

b. | 90˚, 45˚, 15˚, 20˚ | |

c. | 90˚, 90˚, 90˚, 90˚ | |

d. | 30˚, 60˚, 20˚, 40˚ |

## Question 213

### Question

MCQ▾In the given figure, and . Then ∠PSX is________

### Choices

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

a. | 90˚ | |

b. | 155˚ | |

c. | 45˚ | |

d. | 60˚ |