If p men working p hours per day for p days produce p units of work, then the units of work produced by n men working n hours a day for n days is….

P^{2}/n^{2} | ||

P^{3}/n^{2} | ||

N^{2}/p^{2} | ||

N^{3}/p^{2} |

A Boy and girl together fill a cistern with water. The boy pours 4 litres of water every 3 minutes and the girl pours 3 litres every 4 minutes. How much time will it take to fill 100 litres of water in the cistern?

36 minutes | ||

42 minutes | ||

48 minutes | ||

44 minutes |

Ganga and Saraswati, working separately can now a field in 8 and 12 hours respectively. If they work in stretches of one hour alternately, Ganga beginning at 9 a.m., when will the moving be completed?

6 p.m. | ||

6.30 p.m. | ||

5 p.m. | ||

5.30 p.m. |

50 men or 80 women can finish a job in 50 days. A contractor deploys 40 men and 48 women for this work, but after every duration of 10 days, 5 men and 8 women are removed till the work is completed. The work is completed in......

45 days | ||

50 days | ||

54 days | ||

62 days |

A girl can finish a job in 10 days. A boy is twice as efficient as the girl. If a woman is thrice as efficient as the girl and a man is twice as efficient as the woman, then how many days will it take to finish 3 such jobs when a boy, a woman and a man do the job together?

1.2 days | ||

0.833 days | ||

2.7 days | ||

3.6 days |