# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 166 - 172 of 1059

Access detailed explanations (illustrated with images and videos) to **1059** questions. Access all new questions we will add tracking exam-pattern and syllabus changes. *Unlimited Access for Unlimited Time*! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

## Question number: 166

### Question

Find the smallest number which will divide the greatest 3-digit number and the greatest 5-digit number exactly.

### Choices

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

a. | 8 | |

b. | 7 | |

c. | 9 | |

d. | 3 |

## Question number: 167

### Question

If positive sign precedes a bracket the sign of the terms inside the bracket will ________ when the bracket is removed.

### Choices

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

a. | Depends on the bracket | |

b. | Be 0 | |

c. | Change | |

d. | Not change |

## Question number: 168

### Question

If a, b and c are whole numbers such that a = b and c 0 and c > 0, then

### Choices

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

a. |
| |

b. |
| |

c. |
| |

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

## Question number: 169

### Question

Which of the following is a perfect square?

### Choices

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

a. | 36 & 81 | |

b. | 37 | |

c. | 81 | |

d. | 36 |

## Question number: 170

### Question

A, M, T, I represent different non-zero digits, It is given that A + M + T + I – 11

A + M + I – 10

A + M – 1

Further in the following addition only one digit is given.

The sum will be?

### Choices

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

a. | Sum is 35722292 | |

b. | Sum is 35725734 | |

c. | Sum is 35725792 | |

d. | Sum is 34425792 |

## Question number: 171

### Question

2592 is divisible by

### Choices

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

a. | 8 | |

b. | 6 | |

c. | 3 | |

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

## Question number: 172

### Question

The two numbers which have only 1 as their common factor are called

### Choices

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

a. | Twin primes | |

b. | Even numbers | |

c. | Composite | |

d. | Co-primes |