# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 866 - 869 of 1042

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## Question 866

### Question

MCQ▾The present age of a father is 3 years more than three times the age of his son. Three years hence, father’s age will be 10 years more than twice the age of the soon. Find the present age of the father.

### Choices

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

a. | 45 years | |

b. | 30 years | |

c. | 33 years | |

d. | 40 years |

## Question 867

Appeared in Year: *2012*

### Question

MCQ▾For a journey the cost of a child ticket is one third of the cost of an adult ticket. If the cost of the tickets for 4 adults and 5 children is Rs. 85, the cost of a child ticket is ________.

### Choices

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

a. | Rs. 15 | |

b. | Rs. 10 | |

c. | Rs. 5 | |

d. | Rs. 20 |

## Question 868

Appeared in Year: *2012*

### Question

MCQ▾Nita walks from her house 160 meters north and from there 630 meters west to visit her friend. While coming back, she walked diagonally from her friend’s house, back to her home. What distance did she walk while returning?

### Choices

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

a. | 450 | |

b. | 650 meter | |

c. | 600 meter | |

d. | 500 meter |

## Question 869

### Question

MCQ▾Out of a number of electronics items. Rohit purchases 80 % coloured T. V. s 5 % of these are found to be defective. The percentage of defective T. V. in all is________.

### Choices

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

a. | 3% | |

b. | 2% | |

c. | 5% | |

d. | 4% |