# Playing With Numbers (IMO- Mathematics Olympiad Class 8): Questions 24 - 31 of 61

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to **1029** questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

## Question number: 24

» Playing With Numbers

### Question

The number which is divisible by 5 is________.

### Choices

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

a. | 12345 | |

b. | 24675 | |

c. | 21300 | |

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

## Question number: 25

» Playing With Numbers

### Question

Find the least value of x for which 7x5462 is divisible by 9.

### Choices

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

a. | 5 | |

b. | 3 | |

c. | 2 | |

d. | 4 |

## Question number: 26

» Playing With Numbers

### Question

When a certain number is multiplied by 13, the product consists entirely of fives. The smallest such number is________.

### Choices

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

a. | 4273 | |

b. | 4271 | |

c. | 4275 | |

d. | 4256 |

## Question number: 27

» Playing With Numbers

### Question

If is divided by 5 leaves a remainder of 4, then one’s digit of must be________.

### Choices

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

a. | Either 9 or 4 | |

b. | Either 1 or 4 | |

c. | Either 5 or 4 | |

d. | All of the above |

## Question number: 28

» Playing With Numbers

### Question

If the 3-digit number 14x is divisible by 9, then the value of x is________.

### Choices

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

a. | 2 | |

b. | 5 | |

c. | 3 | |

d. | 4 |

## Question number: 29

» Playing With Numbers

### Question

If and there is no carry on addition, then the value of B is________.

### Choices

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

a. | 3 | |

b. | 1 | |

c. | 7 | |

d. | 5 |

## Question number: 30

» Playing With Numbers

### Question

The number is divisible by 11 for________.

### Choices

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

a. | Even value of n | |

b. | For all Naturals numbers | |

c. | Odd value of n | |

d. | None of the above |

## Question number: 31

» Playing With Numbers

### Question

213456 is divisible by________.

### Choices

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

a. | 2 | |

b. | 7 | |

c. | 5 | |

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