# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 301 - 307 of 931

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## Question 301

### Question

MCQ▾The locus of a point equidistant from the three vertices of a triangle is ________

### Choices

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

a. | Circumcenter | |

b. | Centroid | |

c. | Incenter | |

d. | Orthocenter |

## Question 302

### Question

MCQ▾The area of rhombus is and one of its diagonals is 4 cm. its perimeter is ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 303

### Question

MCQ▾In the figure, the value of x if , is ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 304

### Question

MCQ▾If all medians of a triangle are equal, then the triangle is ________

### Choices

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

a. | Isosceles triangle | |

b. | Right angle triangle | |

c. | Equilateral triangle | |

d. | Scalene triangle |

## Question 305

### Question

MCQ▾In the given figure, a square PQRS has been inscribed in the quadrant PARB. If PQ = 16 cm, then the area of the shaded region is [Take ] ________

### Choices

Choice (4) | Response | |
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a. | ||

b. | ||

c. | ||

d. |

## Question 306

### Question

MCQ▾In the adjoining figure, and If and then ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 307

### Question

MCQ▾The volume of a sphere is the curved surface of its sphere is ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |