# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 191 - 196 of 931

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## Question 191

### Question

MCQ▾Three parallel lines are cut by two transversals as shown in the given figure. If , and , then the length of EF is ________

### Choices

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

a. | 2 cm | |

b. | 3.5 cm | |

c. | 4 cm | |

d. | 3 cm |

## Question 192

### Question

MCQ▾In the figure , and then ∠ 4 is________

### Choices

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

a. | 126˚ | |

b. | 136˚ | |

c. | 172˚ | |

d. | 134˚ |

## Question 193

### Question

MCQ▾The angles P, Q, R, S in the parallelogram PQRS are________

### Choices

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

a. | 50˚, 60˚, 30˚, 40˚ | |

b. | 90˚, 60˚, 90˚, 60˚ | |

c. | 90˚, 90˚, 90˚, 90˚ | |

d. | 50˚, 45˚, 80˚, 15˚ |

## Question 194

### Question

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

### Choices

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

a. | 35˚, 70˚ | |

b. | 78˚, 35˚ | |

c. | 20˚, 40˚ | |

d. | 50˚, 60˚ |

## Question 195

### Question

MCQ▾The measurement of a window is , if 6 doors are to be fixed in that window in two rows, measurements of each door should be________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 196

### Question

MCQ▾Two supplementary angles differ by 72˚. Then the angles are ________

### Choices

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

a. | 119˚, 61˚ | |

b. | 110˚, 61˚ | |

c. | 128˚, 52˚ | |

d. | 126˚, 54˚ |