# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 247 - 251 of 1022

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## Question 247

### Question

MCQ▾A right- angled triangle has hypotenuse 17 cm, one side is 8 cm, then the third side is ________ .

### Choices

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

a. | 11 cm | |

b. | 15 cm | |

c. | 10 cm | |

d. | 14 cm |

## Question 248

### Question

MCQ▾Which of the statements are correct?

### Choices

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

a. | Feet of the perpendiculars drawn from the vertices of a parallelogram on to its diagonals are the vertices of a parallelogram. | |

b. | Feet of the parallels from the vertices of a parallelogram on to its diagonals are the vertices of a parallelogram. | |

c. | Feet of the perpendiculars drawn from the face of a parallelogram on to its vertices of a parallelogram. | |

d. | Vertices of a parallelogram cannot be determined. |

## Question 249

### Question

MCQ▾In the figure, trapezium is a trapezium with AB parallel to DC, and is a straight line. Find Y.

### Choices

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

a. | 80° | |

b. | ||

c. | ||

d. |

## Question 250

### Question

MCQ▾A right- angled triangle has hypotenuse 17 cm, one side is 8 cm, then the third side is ________ .

### Choices

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

a. | 7 cm | |

b. | 12 cm | |

c. | 4 cm | |

d. | 6 cm |

## Question 251

### Question

MCQ▾An angle is less than two times of its supplement, then the smaller angle is ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |