# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 240 - 247 of 1059

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## Question 240

### Question

MCQ▾While removing brackets the order in which the brackets are removed is

### Choices

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

a. | () , {} , [] | |

b. | {} , () , [] | |

c. | [] , () , {} | |

d. | [] , {} , () |

## Question 241

### Question

MCQ▾Square of any negative integer is

### Choices

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

a. | 0 | |

b. | Depend on the nature of integer | |

c. | Negative | |

d. | Positive |

## Question 242

### Question

MCQ▾The least number of square tiles that will be needed to pave a plot 135 m by 15 m is

### Choices

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

a. | 18 tiles | |

b. | 12 tiles | |

c. | 9 tiles | |

d. | 15 tiles |

## Question 243

### Question

MCQ▾The expression is equivalent to , uses the ________ property.

### Choices

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

a. | Commutative | |

b. | Closure | |

c. | Identity | |

d. | Distributive |

## Question 244

### Question

MCQ▾Which of the following set of numbers will make the number sentence true?

________ ________ ________ = 61

### Choices

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

a. | (7,9, 2) | |

b. | (5,10, 8) | |

c. | (9,6, 4) | |

d. | (7,9, 8) |

## Question 245

## Question 246

### Question

MCQ▾The least number which when increased by 11 is exactly divisible by 11 is

### Choices

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

a. | 43 | |

b. | 22 | |

c. | 63 | |

d. | 32 |

## Question 247

### Question

MCQ▾Multiplying a negative integer for odd number of times gives a ________ result.

### Choices

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

a. | Negative | |

b. | 0 | |

c. | Positive | |

d. | None of the above |