# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 339 - 344 of 931

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## Question 339

### Question

MCQ▾In the figure, If and if , then MT will be ________

### Choices

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

a. | 90 cm | |

b. | 30 cm | |

c. | 20 cm | |

d. | 18 cm |

## Question 340

### Question

MCQ▾The altitude drawn to the base of an isosceles triangle is of length 8 cm and the perimeter is 32 cm. the area of the triangle is ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 341

### Question

MCQ▾The distance between the points P (6,6) and Q (2, -2) is calculated as

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 342

### Question

MCQ▾Write the coordinate of each the points P, Q, R, S and T from the figure

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 343

### Question

MCQ▾A spherical ball of lead, 3 cm in diameter is melted and recast into three spherical balls. The diameter of two of these is 1.5 cm and 2 cm respectively. The radius of the third ball is________.

### Choices

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

a. | 2.66 cm | |

b. | 3 cm | |

c. | 3.5 cm | |

d. | 2.5 cm |

## Question 344

### Question

MCQ▾The sum of the interior angles of a polygon is three times the sum of its exterior angles. Then number of sides in a polygon is ________.

### Choices

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

a. | 5 | |

b. | 7 | |

c. | 8 | |

d. | 9 |