# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 531 - 537 of 1042

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## Question 531

### Question

MCQ▾A man completes of a job in 10 days. At this rate how many more days will it take him to finish the job?

### Choices

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

a. | 6 | |

b. | 7.5 | |

c. | 7 | |

d. | 6.5 |

## Question 532

## Question 533

### Question

MCQ▾Given that and, then the value of is (approximately) ________.

### Choices

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

a. | 1.21 | |

b. | 1.99 | |

c. | 1.23 | |

d. | 1.00 |

## Question 534

### Question

MCQ▾A grocer has just enough money to buy 50 kilo rice worth Rs. 70.00 per kilogram. If cost of the rice is Rs. 10.00 more, then how much rice, he will be able to buy with that amount of money, is________.

### Choices

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

a. | 40 Kg | |

b. | 35 Kg | |

c. | 42 Kg | |

d. | 44 Kg |

## Question 535

### Question

MCQ▾Pipe A can fill an empty tank in 4 hours while pipe B can empty the full tank in 3 hours. If both are opened in the empty tank, time taken to empty it up completely is ________.

### Choices

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

a. | 15 hours | |

b. | 11 hours | |

c. | 12 hours | |

d. | 13 hours |

## Question 536

## Question 537

### Question

MCQ▾The weight of a 11 m long iron rod is 15 kg. The weight of 5 m long of such rod will be________.

### Choices

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

a. | 8.5 kg | |

b. | 8 kg | |

c. | 6.5 kg | |

d. | 6.8 kg |