Q:

A) 1 day | B) 2 days |

C) 5 days | D) None of these |

Answer: B) 2 days

Explanation:

Explanation:

Total work = 100+50 = 150man-days

In 8 days 100 man-days work has been completed. Now on 9th and 10th day there will be 25 workers. So in 2 days they wll complete additional 50 man- days work. Thus the work requires 2 more days.

0
9

Q:

A) 9 hours | B) 6 hours |

C) 12 hours | D) 18 hours |

0
10

Q:

A) 20 days | B) 5 days |

C) 25 days | D) 10 days |

3
56

0
75

Q:

A) 6 days | B) 3 days |

C) 18 days | D) 1.5 days |

0
35

Q:

A) 27 days | B) 18 days |

C) 54 days | D) 36 days |

3
86

Q:

A) 2 hours | B) 6 hours |

C) 16 hours | D) 3 hours |

2
153

Q:

A) 40 days | B) 80 days |

C) 120 days | D) 20 days |

1
126