Start learning →

JKPSC (J&K) Time and Work — practice questions

Explore 34 free Time and Work questions in JKPSC (J&K) Quantitative Aptitude. Open each question or exercise to read its content, reference answers and available explanation.

Practise Time and Work with Quill →

Time and Work questions and exercises with answers

Showing questions 1–30 of 34.

Complete the rule for workers and timeRead the answer and worked solution →True or false: workers and timeRead the answer and worked solution →Scaling the workforceRead the answer and worked solution →Rises or falls as the workforce grows?Read the answer and worked solution →Order the steps: a time and work questionRead the answer and worked solution →Assertion and reason: workers and timeRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Three of these are wrong. Find the one that holds.Read the answer and worked solution →Tap every situation that behaves like time and workRead the answer and worked solution →Reading a time and work setupRead the answer and worked solution →True or false: sharing a fixed jobRead the answer and worked solution →Which equation, and why?Read the answer and worked solution →Flip and pair: situation with proportionRead the answer and worked solution →Spot the odd one outRead the answer and worked solution →Complete the constant for a fixed jobRead the answer and worked solution →Scaling a workforce, harder casesRead the answer and worked solution →Does this change the total work, or only the time?Read the answer and worked solution →True or false: worker-daysRead the answer and worked solution →Order the reasoning: why more hands finish soonerRead the answer and worked solution →Assertion and reason: sharing the workRead the answer and worked solution →Complete the two-way ruleRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Tap every quantity that stays fixed in a time and work problemRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Flip and pair: what is held fixed, and what followsRead the answer and worked solution →As the number of workers on a job increases, the time taken to finish it:Read the answer and worked solution →If 6 men finish a job in 10 days, how many days will 4 men take at the same rate?Read the answer and worked solution →If 12 workers can complete a task in 8 days, 16 workers will complete it in:Read the answer and worked solution →A can do a piece of work in 10 days and B in 15 days. Working together they finish it in:Read the answer and worked solution →A and B together finish a job in 12 days. A alone takes 20 days. B alone would take:Read the answer and worked solution →

Worked practice questions

Complete the rule for workers and time

Read exercise and reference answers
Missing parts
  1. Answer
    workers
    Choices
    1. workers
    2. jobs
    3. days
  2. Answer
    less
    Choices
    1. less
    2. more
    3. same
  3. Answer
    inverse
    Choices
    1. inverse
    2. direct
    3. no
Complete the statement
For a given job, the more the number of {0}, the {1} the time taken to complete the work. The two are in {2} proportion.
Your syllabus states it directly in section 11.1. Source: syllabus Maths, Ch 11 Direct and Inverse Proportions.

Open this exercise →

True or false: workers and time

Read exercise and reference answers
Questions
  1. Statement is true
    Yes
    Statement
    More workers means less time for a fixed job.
  2. Statement is true
    Yes
    Statement
    Workers and time are in inverse proportion.
  3. Statement is true
    No
    Statement
    Doubling the workers doubles the time.
  4. Statement is true
    Yes
    Statement
    Doubling the workers halves the time.
  5. Statement is true
    Yes
    Statement
    Workers multiplied by days stays constant for a fixed job.
The job is fixed, so workers and time multiply to a constant. Source: syllabus Maths, Ch 11 Direct and Inverse Proportions.

Open this exercise →

Scaling the workforce

Read exercise and reference answers
Questions
  1. Question
    If 2 workers take 12 days, 4 workers take
    Choices
    1. 6 days
    2. 24 days
    3. 12 days
    Correct choice
    6 days
  2. Question
    If 3 workers take 12 days, 6 workers take
    Choices
    1. 18 days
    2. 6 days
    3. 24 days
    Correct choice
    6 days
  3. Question
    Halving the workforce does what to the time?
    Choices
    1. halves it
    2. leaves it alone
    3. doubles it
    Correct choice
    doubles it
  4. Question
    Workers and days for one job satisfy
    Choices
    1. x₁y₁ = x₂y₂
    2. x₁/y₁ = x₂/y₂
    3. x + y = k
    Correct choice
    x₁y₁ = x₂y₂
With the job fixed, workers times days is constant so the two scale reciprocally. Source: syllabus Maths, Ch 11 Direct and Inverse Proportions.

Open this exercise →

How to practise

  1. Choose a Time and Work question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

More Quantitative Aptitude topics

Profit and LossRatio and ProportionNumber SystemProfit LossBasic ArithmeticSpeed DistanceSpeed, Distance and TimeSpeed, Time and Distance