Q:

A) A | B) B |

C) C | D) can't be determined |

Answer: A) A

Explanation:

Explanation:

A + B= 70%

B + C =50%

$\left[\because (A+B)+(B+C)-(A+B+C)=B\right]$

=> B= 20% A= 50% and C=30%

Hence A is most efficient

Q:

A) 12 days | B) 8 days |

C) 14 days | D) 16 days |

1
233

2
91

Q:

A) 16.5 days | B) 13 days |

C) 10 days | D) 12.5 days |

4
121

3
208

4
198

Q:

A) 112days | B) 3 days |

C) 4 days | D) 2 days |

1
258

0
180

Q:

A) 100 days | B) 120 days |

C) 72 days | D) 64 days |

0
303