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Time and work are fundamental concepts in quantitative aptitude, playing an important role in various competitive exams. This topic evaluates an individual’s ability to understand and manage time efficiently, a skill vital for success in today’s fast-paced world.
This blog provides a list of 50+ time and work questions that are part of the quantitative aptitude section of competitive exams.
Most competitive exams, ranging from banking to government services and management entrance tests, include questions on time and work to assess candidates’ problem-solving abilities.
Table of Contents
What are Time and Work Questions?
Time and Work questions involve calculating the amount of work done by individuals or groups in a specified period. These questions typically include scenarios where people work together or alone to complete a task, and the goal is to determine the time required for completion. Understanding the relationships between time, work, and efficiency is key to solving these problems.
Must Read: Classification Reasoning Questions | Verbal Reasoning
Basic Level Time and Work Questions and Answers For Practice
- A takes 10 days to complete a project alone. If he is assisted by B every second day, how many days will it take to finish the project?
a) 15 days
b) 18 days
c) 20 days
d) 25 days
Answer: (b) 18 days
- If C can complete a task in 15 days, how many days will it take for C and D working together to finish the same task if D is twice as efficient as C?
a) 5 days
b) 7.5 days
c) 10 days
d) 12.5 days
Answer: (c) 10 days
- E takes 6 days to complete a job. If F is 20% less efficient than E, how many days will F take to complete the same job alone?
a) 7.2 days
b) 8 days
c) 9 days
d) 10 days
Answer: (a) 7.2 days
- G and H together can complete a task in 8 days. If G takes 12 days to complete the task alone, how long will it take H to complete the task individually?
a) 12 days
b) 16 days
c) 20 days
d) 24 days
Answer: (d) 24 days
- I can finish a job in 5 days. If J is 25% less efficient than I, how many days will it take for J to complete the same job?
a) 6 days
b) 7.5 days
c) 8 days
d) 10 days
Answer: (b) 7.5 days
- K can complete a task in 15 days. If L is 60% as efficient as K, how long will it take for L to finish the same task?
a) 24 days
b) 30 days
c) 36 days
d) 40 days
Answer: (b) 30 days
- M takes 8 days to complete a work. N is 50% more efficient than M. How many days will N take to complete the same work?
a) 4 days
b) 5 days
c) 6 days
d) 7 days
Answer: (b) 5 days
- O and P can complete a project in 12 days. If P alone takes 18 days to complete the project, how long will it take for O to complete it individually?
a) 24 days
b) 30 days
c) 36 days
d) 48 days
Answer: (b) 30 days
- Q can complete a job in 10 days. If R is 20% less efficient than Q, how many days will it take for R to complete the same job?
a) 12 days
b) 15 days
c) 18 days
d) 20 days
Answer: (b) 15 days
- S takes 12 days to complete a task. If T is 25% more efficient than S, how many days will it take for T to finish the same task?
- a) 8 days
- b) 9 days
- c) 10 days
- d) 11 days
Answer: (c) 10 days
- U can finish a job in 15 days. If V is 30% less efficient than U, how many days will it take for V to complete the same job?
a) 18 days
b) 20 days
c) 22 days
d) 24 days
Answer: (a) 18 days
- W can complete a project in 8 days. If X is 40% more efficient than W, how many days will it take for X to finish the same project?
a) 4 days
b) 5 days
c) 6 days
d) 7 days
Answer: (a) 4 days
- Y takes 10 days to complete a task. If Z is 50% less efficient than Y, how many days will it take for Z to complete the same task?
a) 15 days
b) 18 days
c) 20 days
d) 25 days
Answer: (b) 18 days
- A and B together can complete a work in 16 days. If A takes 24 days to complete the work alone, how many days will it take for B to complete the work individually?
a) 32 days
b) 36 days
c) 40 days
d) 48 days
Answer: (d) 48 days
- C takes 20 days to complete a project. If D is 30% less efficient than C, how many days will it take for D to complete the same project?
a) 26 days
b) 28 days
c) 32 days
d) 40 days
Answer: (b) 28 days
- E and F together can finish a task in 10 days. If E alone takes 15 days to complete the task, how many days will it take for F to complete the work individually?
a) 15 days
b) 20 days
c) 25 days
d) 30 days
Answer: (c) 25 days
- G takes 14 days to complete a project. If H is 25% more efficient than G, how many days will it take for H to complete the same project?
a) 9 days
b) 10 days
c) 11 days
d) 12 days
Answer: (a) 9 days
- I and J together can complete a task in 18 days. If I takes 24 days to complete the task alone, how many days will it take for J to complete the work individually?
a) 36 days
b) 42 days
c) 48 days
d) 54 days
Answer: (b) 42 days
- K takes 16 days to finish a job. If L is 20% less efficient than K, how many days will it take for L to complete the same job?
a) 18 days
b) 20 days
c) 22 days
d) 25 days
Answer: (b) 20 days
- M and N together can complete a task in 15 days. If M alone takes 25 days to complete the task, how many days will it take for N to complete the work individually?
a) 35 days
b) 40 days
c) 45 days
d) 50 days
Answer: (c) 45 days
- O takes 30 days to complete a project. If P is 15% more efficient than O, how many days will it take for P to complete the same project?
a) 20 days
b) 25 days
c) 28 days
d) 32 days
Answer: (b) 25 days
Tips To Solve Time and Work Questions and Answers
Here we have mentioned certain tips and tricks to solve questions related to time and work:
- Understand the concept of efficiency and how it influences work rates.
- Establish the relationship between time, work, and efficiency.
- Break down complex scenarios into smaller, more manageable steps.
- Use LCM (Least Common Multiple) to find common work rates.
- Pay attention to units of time and work to ensure consistency in calculations.
Also Read: Questions of Syllogism Reasoning | Verbal Reasoning
Practice Advanced Level Questions on Time and Work
If A can complete a work in 10 days and B can complete the same work in 15 days, how many days will they take together to complete the work?
A) 5 days
B) 6 days
C) 7 days
D) 8 days
Answer: B) 6 days
If 6 men or 8 women can do a piece of work in 17 days, how many days will 10 men and 6 women take to complete the work?
A) 9 days
B) 10 days
C) 11 days
D) 12 days
Answer: A) 9 days
A and B can complete a work together in 12 days. If A alone can complete the work in 20 days, then how many days will B alone take to complete the work?
A) 24 days
B) 30 days
C) 36 days
D) 40 days
Answer: D) 40 days
12 men complete a work in 15 days. 8 men start the work and after 5 days, 4 more men join them. In how many days will the remaining work be completed?
A) 5 days
B) 6 days
C) 7 days
D) 8 days
Answer: B) 6 days
A can do a piece of work in 20 days which B can do in 30 days. If they work on it together for 12 days, then what fraction of the work is left?
A) 1/4
B) 1/6
C) 1/8
D) 1/10
Answer: C) 1/8
A can complete a work in 24 days and B can complete the same work in 36 days. In how many days will they complete the work together?
A) 10 days
B) 12 days
C) 14 days
D) 16 days
Answer: B) 12 days
If 6 men can do a piece of work in 18 days, how many days will 9 men take to complete the same work?
A) 8 days
B) 10 days
C) 12 days
D) 14 days
Answer: B) 10 days
A can do a piece of work in 10 days which B can do in 15 days. If they work on it together for 6 days, then what fraction of the work is left?
A) 1/5
B) 1/6
C) 1/10
D) 1/15
Answer: A) 1/5
10 men can complete a work in 15 days. After working for 5 days, 5 more men joined them. In how many days will the remaining work be completed?
A) 6 days
B) 7 days
C) 8 days
D) 9 days
Answer: A) 6 days
A can complete a work in 15 days and B can complete the same work in 10 days. If they work together for 6 days, then what fraction of the work is left?
A) 1/5
B) 1/6
C) 1/10
D) 1/15
Answer: B) 1/6
If 20 men can complete a work in 30 days, in how many days will 15 men complete the same work?
A) 40 days
B) 45 days
C) 50 days
D) 60 days
Answer: D) 60 days
A and B together can complete a work in 8 days. B and C together can complete the same work in 12 days. If A, B, and C together can complete the work in 6 days, then in how many days will C alone complete the work?
A) 12 days
B) 16 days
C) 24 days
D) 32 days
Answer: C) 24 days
If 15 men can do a piece of work in 12 days, then how many men are required to do the same work in 8 days?
A) 20 men
B) 24 men
C) 30 men
D) 36 men
Answer: B) 24 men
A and B together can complete a work in 15 days. If they start the work together and A leaves after 6 days, in how many days will B complete the remaining work?
A) 6 days
B) 7.5 days
C) 8 days
D) 9 days
Answer: C) 8 days
A and B can do a piece of work in 20 days which B and C can do in 15 days. If C alone can complete the work in 30 days, then in how many days will A, B, and C together complete the work?
A) 4 days
B) 6 days
C) 8 days
D) 10 days
Answer: B) 6 days
If 12 men can do a piece of work in 15 days, how many days will 24 men take to complete the same work?
A) 5 days
B) 7.5 days
C) 10 days
D) 12.5 days
Answer: A) 5 days
A can complete a work in 18 days and B can complete the same work in 24 days. If they work together for 6 days, then what fraction of the work is left?
A) 1/6
B) 1/8
C) 1/9
D) 1/12
Answer: D) 1/12
If 9 men can do a piece of work in 15 days, how many days will 12 men take to complete the same work?
A) 8 days
B) 10 days
C) 12 days
D) 15 days
Answer: B) 10 days
A can complete a work in 24 days and B can complete the same work in 36 days. If they start the work together and A leaves after 10 days, then in how many days will B complete the remaining work?
A) 8 days
B) 9 days
C) 10 days
D) 12 days
Answer: C) 10 days
A and B can complete a work in 20 days which B and C can do in 15 days. If A alone can complete the work in 30 days, then in how many days will B alone complete the work?
A) 24 days
B) 30 days
C) 36 days
D) 40 days
Answer: A) 24 days
If 15 men can complete a work in 10 days, how many days will 10 men take to complete the same work?
A) 15 days
B) 20 days
C) 25 days
D) 30 days
Answer: B) 20 days
A can complete a work in 25 days and B can complete the same work in 35 days. If they start the work together and work alternately for a day each, then in how many days will the work be completed?
A) 35 days
B) 37 days
C) 39 days
D) 41 days
Answer: C) 39 days
If 12 men can complete a work in 20 days, how many men are required to complete the same work in 15 days?
A) 16 men
B) 18 men
C) 20 men
D) 24 men
Answer: A) 16 men
A can complete a work in 30 days and B can complete the same work in 20 days. If they start the work together and work alternately for a day each, then in how many days will the work be completed?
A) 30 days
B) 32 days
C) 34 days
D) 36 days
Answer: B) 32 days
If 15 men can do a piece of work in 18 days, how many days will 10 men take to complete the same work?
A) 24 days
B) 27 days
C) 30 days
D) 36 days
Answer: C) 30 days
A can complete a work in 12 days and B can complete the same work in 15 days. If they start the work together, then in how many days will they complete half of the work?
A) 3 days
B) 3.5 days
C) 4 days
D) 4.5 days
Answer: D) 4.5 days
If 8 men can do a piece of work in 12 days, then how many days will 12 men take to complete the same work?
A) 6 days
B) 8 days
C) 9 days
D) 10 days
Answer: A) 6 days
A and B can complete a work in 10 days which B and C can do in 15 days. If A alone can complete the work in 20 days, then in how many days will C alone complete the work?
A) 30 days
B) 36 days
C) 40 days
D) 45 days
Answer: B) 36 days
If 10 men can do a piece of work in 15 days, then how many days will 20 men take to complete the same work?
A) 7.5 days
B) 9 days
C) 10 days
D) 12 days
Answer: B) 9 days
A and B can complete a work in 20 days which B and C can do in 15 days. If A alone can complete the work in 30 days, then in how many days will C alone complete the work?
A) 40 days
B) 45 days
C) 50 days
D) 60 days
Answer: B) 45 days
FAQs
Practice is key. Regularly solve a variety of time and work problems to strengthen your understanding of the concepts. Additionally, focus on time management during practice sessions to enhance your overall speed and accuracy.
Yes, identifying patterns and using shortcuts can significantly speed up your problem-solving. Look for common factors, use LCM wisely, and practice mental calculations to save time during exams.
Answer: Absolutely. The principles of time and work are applicable in everyday situations, whether it’s managing projects, dividing tasks among team members, or estimating the time required for completing a task.
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