Question : 8 women can complete a work in 15 days. If 2 women are employed, then in how many days the work will be completed?
Option 1: 44 days
Option 2: 64 days
Option 3: 80 days
Option 4: 60 days
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Correct Answer: 60 days
Solution : Use the formula: $M_1D_1= M_2D_2$ Where $M_1$ and $M_2$ are persons and $D1$ and $D_2$ are days.. 8 × 15 = 2 × D2 ⇒ D2 = 4 × 15 = 60 days Hence, the correct answer is 60 days.
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Question : 12 men can complete a work in 6 days working 4 hours per day. If 4 men work 8 hours per day, then in how many days the same work will be completed?
Option 1: 8 days
Option 2: 6 days
Option 3: 9 days
Option 4: 10 days
Question : 5 men can complete a work in 12 days, and 6 women can complete the same work in 20 days. In how many days can 1 man and 1 woman together complete this work?
Option 1: 120 days
Option 2: 32 days
Option 3: 40 days
Question : If A can do 20 percent of the work in 6 days, then A can complete the entire work in how many days?
Option 1: 15 days
Option 2: 25 days
Option 3: 30 days
Question : M alone can complete a work in 50 days and N alone can complete the same work in 100 days. If both of them work together, then in 25 days what percentage work of the total work will be completed?
Option 1: 60%
Option 2: 55%
Option 3: 75%
Option 4: 80%
Question : Akbar can complete a piece of work alone in 12 days, while Anthony can complete the same work alone in 20 days. If they work on alternate days with Anthony starting the work, then in how many days can they complete the whole work?
Option 1: $15$ days
Option 2: $16$ days
Option 3: $14 \frac{4}{5}$ days
Option 4: $15 \frac{1}{5}$ days
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