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SSC CGL level Question Set 49, Time and work problems in simpler steps 4

Time and Work Problems for SSC CGL Set 49

SSC CGL Time and Work Problems with answers Set 49

10 Time and Work Problems in SSC CGL Questions Set 49 to solve in 12 minutes. Verify correctness from answers. Learn how to solve from solutions.

Contents are,

  1. 10 selected Time and work problems for SSC CGL. These can easily be used for bank POs and other competitive exams.
  2. Answers to the time and work problems set.

Varieties of time and work questions and time work and wages questions have been selected in this 49th question set of 10 practice problem exercise for SSC CGL exam, so that some you may solve quickly and a few others not so quickly.

After doing this exercise in a timed session, you should refer to its solution set for detailed concepts and ways to solve the problems in mind as far as possible.

Answers and link to the solutions are at the end.


10 Time and work problems for SSC CGL Set 49—time 12 mins

Problem 1.

A alone can complete a job in 20 days while A and B together can complete it in 12 days. If B does the work only half a day daily then how many days would they take to complete the job working together?

  1. 10 days
  2. 15 days
  3. 11 days
  4. 20 days

Problem 2.

A and B together can do a piece of work in 12 days which B and C can do together in 16 days. After A has been working at it for 5 days and B for 7 days, C finishes it in 13 days. In how many days B would finish the job working alone?

  1. 24 days
  2. 48 days
  3. 12 days
  4. 16 days

Problem 3.

If 90 men can do a certain job in 16 days working 12 hours a day, then the portion of the job that can be completed by 70 men working 8 hours day for 24 days is,

  1. $\displaystyle\frac{5}{8}$
  2. $\displaystyle\frac{1}{3}$
  3. $\displaystyle\frac{2}{3}$
  4. $\displaystyle\frac{7}{9}$

Problem 4.

A, B and C can do a job in 30, 20 and 10 days respectively. A is assisted by B on one day and by C on the next day alternately. How long would the work take to finish?

  1. $8\displaystyle\frac{4}{13}$ days
  2. $3\displaystyle\frac{9}{13}$ days
  3. $9\displaystyle\frac{3}{8}$ days
  4. $4\displaystyle\frac{3}{8}$ days

Problem 5.

A, B, and C can do a work separately in 16, 32 and 48 days respectively. They started the work together but B left 8 days and C six days before completion of the work. What was the duration of completion of the work?

  1. 14 days
  2. 9 days
  3. 10 days
  4. 12 days

Problem 6.

A can do one-fourth of a work in 10 days and B can do one-third of the work in 20 days. In how many days would A and B be able to complete the work while working together?

  1. 32 days
  2. 30 days
  3. 25 days
  4. 24 days

Problem 7.

A and B working separately can do a job in 9 and 15 days respectively. If they work for a day alternately, with A beginning, then the work will be completed in,

  1. 11 days
  2. 9 days
  3. 12 days
  4. 10 days

Problem 8.

A takes 3 times as long as B and C together take to complete a job. B takes 4 times as long as A and C together take to do the same job. If all three working together complete the job in 24 days, A alone can do it in,

  1. 100 days
  2. 90 days
  3. 95 days
  4. 96 days

Problem 9.

15 men take 20 days to complete a job working 8 hours a day. The number of hours a day should 20 men take to complete the job in 12 days will be,

  1. 5 hours
  2. 10 hours
  3. 18 hours
  4. 15 hours

Problem 10.

A and B can do a piece of work in 15 days. B and C together can do the same job in 12 days and C and A in 10 days. How many days will A take to complete the job?

  1. 8
  2. 13
  3. 24
  4. 40

Learn to solve the questions quickly in mind from the paired solution set,

SSC CGL Solution Set 49 Time and work 4.


Answers to Time and work problems for SSC CGL Set 49

Problem 1. Answer: b: 15 days.

Problem 2. Answer: Option b : 48 days.

Problem 3. Answer: Option d: $\displaystyle\frac{7}{9}$.

Problem 4. Answer: c: $9\displaystyle\frac{3}{8}$ days.

Problem 5. Answer: Option d: 12 days.

Problem 6. Answer: Option d : 24 days.

Problem 7. Answer: Option a: 11 days.

Problem 8. Answer: Option d: 96 days.

Problem 9. Answer: Option b: 10 hours.

Problem 10. Answer: Option c: 24.


Useful resources to refer to

Guidelines, Tutorials and Quick methods to solve Work Time problems

7 steps for sure success in SSC CGL Tier 1 and Tier 2 competitive tests

How to solve Arithmetic problems on Work-time, Work-wages and Pipes-cisterns

Basic concepts on Arithmetic problems on Speed-time-distance Train-running Boat-rivers

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