# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 508 - 514 of 931

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## Question 508

## Question 509

### Question

MCQ▾Count the number of triangles in the given figure

### Choices

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

a. | 12 | |

b. | 10 | |

c. | 13 | |

d. | 11 |

## Question 510

### Question

MCQ▾If a commission of is given on the marked price of a book, the publisher gains . If the commission is increased to, the gain is ________

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 511

### Question

MCQ▾The following observations have been arranged in the ascending order. If the median of the data 29,32,48,50, x, x + 2,72,78,84,95 is 63, then the value of x is ________

### Choices

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

a. | 61 | |

b. | 62 | |

c. | 60 | |

d. | 63 |

## Question 512

## Question 513

### Question

MCQ▾Which of the following shows the proper relation? 1. Boys, 2. Girls, 3. students

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question 514

### Question

MCQ▾If three coins are tossed simultaneously, what is the probability of getting at least two heads?

### Choices

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

a. | 3 | |

b. | ||

c. | ||

d. | 2 |