Work Quiz
Practice quiz on Work (Quantitative Aptitude). 10 exam-style questions with explanations.
About This Quiz
Work Quiz — Questions with Solutions
All 10 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.A can do a work in 10 days and B in 15 days. Together they finish it in
- A.12 days
- B.8 days
- C.6 days
- D.5 days
Show answer
Answer: C. 6 days
1/10+1/15 = 1/6.
Q2.If 12 men can complete a work in 10 days, 20 men will finish it in
- A.7 days
- B.8 days
- C.6 days
- D.5 days
Show answer
Answer: C. 6 days
12x10/20.
Q3.A finishes a work in 20 days; B is twice as efficient. B alone finishes it in
- A.15 days
- B.10 days
- C.40 days
- D.5 days
Show answer
Answer: B. 10 days
20/2.
Q4.A and B together do a work in 8 days; A alone does it in 12 days. B alone does it in
- A.18 days
- B.20 days
- C.16 days
- D.24 days
Show answer
Answer: D. 24 days
1/8-1/12 = 1/24.
Q5.A pipe fills a tank in 6 hours and another empties it in 12 hours. Both opened, the tank fills in
- A.8 hours
- B.10 hours
- C.12 hours
- D.9 hours
Show answer
Answer: C. 12 hours
1/6-1/12 = 1/12.
Q6.10 men can do a work in 15 days. In how many days will 15 men do it?
- A.10 days
- B.9 days
- C.12 days
- D.8 days
Show answer
Answer: A. 10 days
150/15.
Q7.A can do a work in 4 days, B in 12 days. Working together the time taken is
- A.4 days
- B.5 days
- C.2 days
- D.3 days
Show answer
Answer: D. 3 days
1/4+1/12 = 1/3.
Q8.If 6 persons can build a wall in 12 days, how many persons are needed to build it in 9 days?
- A.9
- B.10
- C.8
- D.6
Show answer
Answer: C. 8
72/9.
Q9.A does half the work in 5 days. The whole work takes him
- A.20 days
- B.5 days
- C.15 days
- D.10 days
Show answer
Answer: D. 10 days
2 x 5.
Q10.Work done is
- A.Inversely proportional to men
- B.Independent of time
- C.Equal to speed
- D.Directly proportional to men and time
Show answer
Answer: D. Directly proportional to men and time
Men x days.
Frequently Asked Questions
Is Work Quiz free to attempt on AajExam?
Yes. Work Quiz is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.
How long does it take to complete Work Quiz?
Work Quiz runs on a 10-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.
Are detailed solutions provided?
Yes. Every question on Work Quiz ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.
Can I attempt Work Quiz multiple times?
Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.
Which government exams does this quiz prepare me for?
Time & Work questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.