# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 79 - 86 of 1059

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## Question 79

### Question

MCQ▾Multiply 578 by 42.

### Choices

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

a. | 35316 | |

b. | 44256 | |

c. | 24276 | |

d. | 54316 |

## Question 80

### Question

MCQ▾Multiply 891 by 23.

### Choices

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

a. | 20493 | |

b. | 45313 | |

c. | 30549 | |

d. | 30453 |

## Question 81

### Question

MCQ▾Associative law for multiplication is________

### Choices

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

a. | ||

b. | ||

c. | ||

d. | None of the above |

## Question 82

### Question

MCQ▾The number 415698327 can be written in International system________.

### Choices

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

a. | Fourty one crore fifty six lakhs ninty eight thousand three hundred twenty seven | |

b. | Fourty one crore fifty lakhs ninty eight thousand three hundred twenty seven | |

c. | Fourty crore fifty six lakhs ninty eight thousand three hundred twenty seven | |

d. | Fourty one crore fifty six lakhs ninty thousand eighty three hundred twenty seven |

## Question 83

### Question

MCQ▾Multiply 436 by 81.

### Choices

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

a. | 45316 | |

b. | 35124 | |

c. | 42415 | |

d. | 35316 |

## Question 84

### Question

MCQ▾Distributive property is used between

### Choices

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

a. | Ten numbers | |

b. | Two numbers | |

c. | Three numbers | |

d. | Four numbers |

## Question 85

### Question

MCQ▾is an example of ________

### Choices

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

a. | Commutative property | |

b. | Distributive property | |

c. | Closure property | |

d. | Associative property |

## Question 86

### Question

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

________ ________ ________

### Choices

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

a. | (38,36, 14,32) | |

b. | (28,34, 14,32) | |

c. | (18,36, 14,32) | |

d. | (28,36, 14,32) |