Work-Time

Sort Difficulty Level: Entry Level | Moderate | Difficult
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….
P2/n2
no
P3/n2
no
N2/p2
no
N3/p2
yes
Show Answer
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
no
42 minutes
no
48 minutes
yes
44 minutes
no
Show Answer
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.
no
6.30 p.m.
yes
5 p.m.
no
5.30 p.m.
no
Show Answer
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
no
50 days
yes
54 days
no
62 days
no
Show Answer
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
no
0.833 days
no
2.7 days
no
3.6 days
yes
Show Answer