# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 393 - 398 of 931

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## Question 393

### Question

MCQ▾A cylindrical vessel 60 cm in diameter is partially filled with water. A sphere, 60 cm in diameter is gently dropped into the vessel. To what further height will water rise in the cylinder?

### Choices

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

a. | 25 cm | |

b. | 15 cm | |

c. | 40 cm | |

d. | 30 cm |

## Question 394

### Question

MCQ▾DEF is an equilateral triangle of side . S, T and U are midpoints of DE, EF and DF respectively. The area of triangle STU is ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 395

### Question

MCQ▾In parallelogram ABCD . The altitudes corresponding to the sides AB and AD are respectively 4 cm and 5 cm. Find AD.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 396

### Question

MCQ▾The sides BC, CA and AB of are produces in order to form exterior angles and , then is ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 397

### Question

MCQ▾In the adjoining figure, Line p and q are transversals, then ST = ________

### Choices

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

a. | 10 units | |

b. | 15 units | |

c. | 12 units | |

d. | 14 units |

## Question 398

### Question

MCQ▾In the medians PS, QT and RU pass through O. if , and then OS is ________

### Choices

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

a. | 2.5 | |

b. | 2.6 | |

c. | 2.3 | |

d. | 2.9 |