# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 466 - 471 of 931

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## Question 466

### Question

MCQ▾A cloth merchant has announced rebate in prices. If one needs to have a rebate of Rs. 70, then how many shirts each costing Rs. 60, he should purchase?

### Choices

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

a. | 1 | |

b. | ||

c. | ||

d. |

## Question 467

### Question

MCQ▾A class starts at 7 a. m. and lasts till 1 p. m. seventh periods are held during this interval. After every period, 5 minutes are given free to the students. The exact duration of each period is ________

### Choices

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

a. | 47.14 minutes | |

b. | 47 minutes | |

c. | 47.56 minutes | |

d. | 47.78 minutes |

## Question 468

### Question

MCQ▾The measures of two complementary angles are represented by and. What is the value of x?

### Choices

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

a. | 40 | |

b. | 20 | |

c. | 30 | |

d. | 10 |

## Question 469

## Question 470

### Question

MCQ▾The median of the following numbers 99,54,78,65,35,45,66 is________

### Choices

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

a. | 66 | |

b. | 35 | |

c. | 65 | |

d. | 54 |

## Question 471

### Question

MCQ▾In Priti’s opinion, her weight is greater than 45 kg but less than 52 kg. Her brother does not agree with Priti and he thinks that Priti’s weight is greater than 40 kg but less than 50 kg. Her mother’s view is that his weight cannot be greater than 48 kg. If all of them are correct in their estimations, what is the average of different probable weights of Priti?

### Choices

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

a. | 47 kg | |

b. | 51 kg | |

c. | 49 kg | |

d. | 53 kg |