Name: Date:

Question 1: 4 builders can build a wall in 121 days. How long would it take 11 builders to build the same wall? |

Question 2: 5 servers can serve 35 guests at a banquet. How many guests could 12 servers serve? |

Question 3: 3 volunteers can remove all the litter from a street in 192 minutes. How long would it take 16 volunteers to clear the same street? |

Question 4: 6 painters can paint 30 paintings in a week. How many paintings can 15 painters paint in a week? |

Question 5: 7 robots can weld 30 sheets of metal in 180 seconds. How long would it take 16 robots to weld 80 sheets of metal? |

Question 6: 5 teachers can mark 10 exam papers in 12 minutes. How many exam papers can 13 teachers mark in 72 minutes? |

Question 7: 6 computers can perform 26 billion calculations in 22 seconds. How long would it take 11 computers to perform 78 billion calculations? |

Question 8: 4 cats can catch 48 rats in 9 days. How many rats can 12 cats catch in 36 days? |

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# Answers

Question 1: 44 days |

Question 2: 84 guests |

Question 3: 36 minutes |

Question 4: 75 paintings |

Question 5: 210 seconds |

Question 6: 156 exam papers |

Question 7: 36 seconds |

Question 8: 576 rats |