# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 380 - 385 of 931

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## Question 380

## Question 381

### Question

MCQ▾The centroid of a triangle divides each median in the ratio ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 382

### Question

MCQ▾The point concurrency of altitudes of a triangle is called ________

### Choices

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

a. | Incenter | |

b. | Centroid | |

c. | Orthocenter | |

d. | Circumcenter |

## Question 383

### Question

MCQ▾In figure, S is any point on the side QR of, then ________

### Choices

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

a. | PS | |

b. | 4PS | |

c. | 2PS | |

d. | Question does not provide sufficient data or is vague |

## Question 384

### Question

MCQ▾The base of a prism is a triangle whose sides arc of lengths 13 cm, 20 cm and 21 cm. if the height of the prism be 9 cm. find the area of total lateral surface, volume of the prism

### Choices

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

a. | 1134 c. cm. | |

b. | 1754 c. cm. | |

c. | 1543 c. cm. | |

d. | 1865 c. cm. |

## Question 385

### Question

MCQ▾A rectangle is divided into five smaller rectangles, as shown in the figure. Four of them have areas, , and as indicated. Then the area of the shaded rectangle is ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |