# 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

MCQ▾The standard form of 0.00005 is________.

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## 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 ₹ 70.00 per kilogram. If cost of the rice is ₹ 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 |