# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 899 - 904 of 931

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## Question 899

### Question

MCQ▾A straight line parallel to the x-axis has equation________

### Choices

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

a. | y = a | |

b. | y = x | |

c. | y=-x | |

d. | x = a |

## Question 900

### Question

MCQ▾In a class test, in Science, 45 students scored 88 marks, 15 students scored 75 marks and 5 scored 60 marks. The mean of their score is (approximately) ________

### Choices

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

a. | 75 marks | |

b. | 80 marks | |

c. | 83 marks | |

d. | 90 marks |

## Question 901

## Question 902

### Question

MCQ▾The mean, median and mode of the following numbers 2,4, 5,6, 7,6, 5,4, 3,2, 1,1, 1,6, 8,8, 4,3, 2,2 are________

### Choices

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

a. | 3,4, 5 | |

b. | 3,3, 5 | |

c. | 3,4, 3 | |

d. | 4,4, 2 |

## Question 903

### Question

MCQ▾Simple interest on a certain sum of money for 2 years at per annum is half the compound interest on Rs. 5000 for 2 years at per annum. The sum placed on simple interest is ________

### Choices

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

a. | Rs. 5350 | |

b. | Rs. 5150 | |

c. | Rs. 5450 | |

d. | Rs. 5250 |

## Question 904

### Question

MCQ▾In the given figure a square sheet of paper has been folded and punched as shown. How would the paper look like when unfolded?

### Choices

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

a. | ||

b. | ||

c. | ||

d. |