Quantitative Aptitude

Time, Work, and Projects

190 Questions

Time and work questions test the ability to calculate the time required to complete tasks involving individual or combined worker efficiency. These problems frequently appear in competitive exams to assess logical calculation skills. Topics include pipes, cisterns, group efficiency, and hourly work rates.

Combined work efficiencyMen and days calculationsWorker efficiency ratiosWorking hours per dayLeaving and joining workers

Time, Work, and Projects Questions

Multiple choice

What is the makespan of a project?

  1. The total time required to complete all tasks in the project

  2. The time required to complete the critical path of the project

  3. The time required to complete the longest task in the project

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The makespan of a project is the total time required to complete all tasks in the project.

Multiple choice

What is the maximum number of hours that a casual employee can work in a week?

  1. 38 hours

  2. 40 hours

  3. 48 hours

  4. 50 hours
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The maximum number of hours that a casual employee can work in a week is 38 hours. This includes all hours worked, including overtime.

Multiple choice

What is the maximum number of hours that a garment worker can work in a day?

  1. 8 hours

  2. 10 hours

  3. 12 hours

  4. 14 hours
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The maximum number of hours that a garment worker can work in a day is 8 hours.

Multiple choice

What is the average number of hours that garment workers in Bangladesh work per week?

  1. 40 hours

  2. 50 hours

  3. 60 hours

  4. 70 hours
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Garment workers in Bangladesh typically work 60 hours per week, which is more than the legal limit of 48 hours.

Multiple choice

What is the maximum amount of time an employee can be required to work in a day?

  1. 10 hours

  2. 12 hours

  3. 14 hours

  4. 16 hours
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The maximum amount of time an employee can be required to work in a day is 12 hours.

Multiple choice

What is the maximum amount of time an employee can be required to work in a day?

  1. 10 hours

  2. 12 hours

  3. 14 hours

  4. 16 hours
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The maximum amount of time an employee can be required to work in a day is 12 hours.

Multiple choice

How do robots reduce labor costs in construction?

  1. By working 24 hours a day, 7 days a week

  2. By performing tasks more quickly and efficiently than human workers

  3. By reducing the need for overtime pay

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Robots reduce labor costs in construction by working 24 hours a day, 7 days a week, performing tasks more quickly and efficiently than human workers, and reducing the need for overtime pay.

Multiple choice

How do robots reduce project completion times in construction?

  1. By working faster than human workers

  2. By working 24 hours a day, 7 days a week

  3. By eliminating the need for rework

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Robots reduce project completion times in construction by working faster than human workers, working 24 hours a day, 7 days a week, and eliminating the need for rework.

Multiple choice

In Proof of Work, the difficulty of the mathematical puzzle is adjusted to maintain a:

  1. Constant block time

  2. Variable block time

  3. Fixed number of blocks per day

  4. Maximum block size
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In Proof of Work, the difficulty of the mathematical puzzle is adjusted to ensure that blocks are produced at a relatively constant rate, regardless of the computational power of the network.

Multiple choice

The 'two-minute rule' suggests that tasks that can be completed in:

  1. 5 minutes or less

  2. 10 minutes or less

  3. 2 minutes or less

  4. 1 minute or less
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The 'two-minute rule' suggests that tasks that can be completed in 2 minutes or less should be done immediately.