# IMO Level 1- Mathematics Olympiad (SOF) Class 5: Questions 546 - 551 of 888

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## Question number: 546

### Question

How many different possible combinations of one colour pencil and one rubber cap from 5 different colour pencils and 6 different rubber caps can be formed?

### Choices

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

a. | 36 | |

b. | 30 | |

c. | 22 | |

d. | 25 |

## Question number: 547

### Question

Length is measured in which of the following unit?

### Choices

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

a. | Meter | |

b. | Gram | |

c. | Kilogram | |

d. | Litres |

## Question number: 548

### Question

If

What is the mass of

?

### Choices

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

a. | 9 kg | |

b. | 11 kg | |

c. | 10 kg | |

d. | Question does not provide sufficient data or is vague |

## Question number: 549

### Question

If 10 litres of milk costs Rs. 120, then what is the cost of 5 litres of milk?

### Choices

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

a. | 60 rupees | |

b. | 15 rupees | |

c. | 70 rupees | |

d. | 30 rupees |

## Question number: 550

» Geometry

### Question

What is the approximate measure of this angle in degrees?

### Choices

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

a. | 90 | |

b. | 40 | |

c. | 120 | |

d. | 200 |

## Question number: 551

### Question

What are the instruments used to measure weather?

### Choices

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

a. | Hygrometer AND Anemometer | |

b. | Rain gauge | |

c. | Barometer | |

d. | All a. , b. and c. are correct |