# IMO Level 1- Mathematics Olympiad (SOF) Class 5: Questions 279 - 286 of 888

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## Question number: 279

### Question

How many thousands make a million.

### Choices

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

a. | 100 | |

b. | 1000 | |

c. | 10000 | |

d. | 100000 |

## Question number: 280

### Question

How many thousands are there in 690000?

### Choices

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

a. | 900 | |

b. | 9009 | |

c. | 90 | |

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

## Question number: 281

### Question

Check All Choice, what is biggest 7 digit number is ________.

### Choices

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

a. | 7654321 | |

b. | 7651243 | |

c. | 7654123 | |

d. | 7654213 |

## Question number: 282

### Question

Half of a number is 14. What is of the same number?

### Choices

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

a. | 15 | |

b. | 14 | |

c. | 18 | |

d. | 16 |

## Question number: 283

### Question

Which of the following number is smaller than 260000 but greater than 210000?

### Choices

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

a. | 206000 | |

b. | 201000 | |

c. | 210001 | |

d. | None of the above |

## Question number: 284

### Question

Number of zeroes in 10 million are ________?

### Choices

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

a. | 5 | |

b. | 7 | |

c. | 4 | |

d. | 6 |

## Question number: 285

### Question

I think of a decimal number. After I have multiplied it by 5 then added 3.4 and then I have subtracted 7.4, I get 0.5. What is the decimal number?

### Choices

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

a. | 0.9 | |

b. | 1 | |

c. | 0.1 | |

d. | All of the above |

## Question number: 286

### Question

Which square must be shaded so that the figure has a line of symmetry?

### Choices

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

a. | C | |

b. | A | |

c. | B | |

d. | Both b. and c. are correct |