# IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 366 - 372 of 968

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## Question 366

### Question

MCQ▾A Bus maintains an average speed of 50 km/hr while going from A to B and maintains an average speed of 80 km/hr while coming back from B to A. the average speed of the bus is ________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 367

### Question

MCQ▾Points are joined to form a quadrilateral. What will be the structure of quadrilateral?

### Choices

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

a. | Plaque | |

b. | Diamond | |

c. | Pentagon | |

d. | Trapezoid |

## Question 368

### Question

MCQ▾If are the vertices of a right angle triangle, right angle at P, then a is ________

### Choices

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

a. | 7 | |

b. | 2 | |

c. | 9 | |

d. | 5 |

## Question 369

### Question

MCQ▾A bag contains 5 Green, 4 Aqua, 9 Blue and 6 purple marbles. If a marble is drawn at random from the bag, the probability that the marble drawn is Aqua or Purple, is ________

### Choices

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

b. | ||

c. | ||

d. |

## Question 370

### Question

MCQ▾In a single throws of a die, the probability of getting a multiple of 3 is ________

### Choices

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

b. | ||

c. | ||

d. |

## Question 371

### Question

MCQ▾J, K and L are respectively the mid-points of sides XY, YZ and XZ of . Find the ratio of the area of .

### Choices

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

a. | 1: 4 | |

b. | 3: 5 | |

c. | 2: 7 | |

d. | 2: 3 |

## Question 372

### Question

MCQ▾If occur with frequencies respectively, then the arithmetic mean is ________

### Choices

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

a. | 120 | |

b. | 125 | |

c. | 115 | |

d. | 111 |