Time & Work interview questions

23 Time & Work questions from the Aptitude bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.

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1. A can finish a job in 15 days and B in 20 days. Working together, in how many days will they finish it?

Mid
  1. A.7.54 days
  2. B.9.60 days
  3. C.8.57 days
  4. D.10.63 days

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2. A can finish a job in 8 days and B in 30 days. Working together, in how many days will they finish it?

Mid
  1. A.8.32 days
  2. B.5.32 days
  3. C.7.32 days
  4. D.6.32 days

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3. A can finish a job in 20 days and B in 30 days. Working together, in how many days will they finish it?

Mid
  1. A.14.88 days
  2. B.10.56 days
  3. C.13.44 days
  4. D.12 days

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4. A can finish a job in 8 days and B in 20 days. Working together, in how many days will they finish it?

Mid
  1. A.6.71 days
  2. B.4.71 days
  3. C.5.71 days
  4. D.7.71 days

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5. A can finish a job in 20 days and B in 18 days. Working together, in how many days will they finish it?

Mid
  1. A.10.61 days
  2. B.11.75 days
  3. C.9.47 days
  4. D.8.33 days

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6. A can finish a job in 8 days and B in 24 days. Working together, in how many days will they finish it?

Mid
  1. A.7 days
  2. B.8 days
  3. C.6 days
  4. D.5 days

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7. A can finish a job in 6 days and B in 18 days. Working together, in how many days will they finish it?

Mid
  1. A.3.50 days
  2. B.6.50 days
  3. C.4.50 days
  4. D.5.50 days

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8. A can finish a job in 20 days and B in 24 days. Working together, in how many days will they finish it?

Mid
  1. A.13.53 days
  2. B.12.22 days
  3. C.10.91 days
  4. D.9.60 days

Answer + AI explanation with a free account

9. A can finish a job in 6 days and B in 12 days. Working together, in how many days will they finish it?

Mid
  1. A.4 days
  2. B.3 days
  3. C.6 days
  4. D.5 days

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10. A can finish a job in 20 days and B in 20 days. Working together, in how many days will they finish it?

Mid
  1. A.8.80 days
  2. B.11.20 days
  3. C.12.40 days
  4. D.10 days

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11. A can finish a job in 15 days and B in 24 days. Working together, in how many days will they finish it?

Mid
  1. A.10.34 days
  2. B.9.23 days
  3. C.8.12 days
  4. D.11.45 days

Answer + AI explanation with a free account

12. A can finish a job in 12 days and B in 18 days. Working together, in how many days will they finish it?

Mid
  1. A.7.20 days
  2. B.8.20 days
  3. C.6.20 days
  4. D.9.20 days

Answer + AI explanation with a free account

13. A can finish a job in 10 days and B in 24 days. Working together, in how many days will they finish it?

Mid
  1. A.8.06 days
  2. B.7.06 days
  3. C.6.06 days
  4. D.9.06 days

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14. A can finish a job in 12 days and B in 24 days. Working together, in how many days will they finish it?

Mid
  1. A.10 days
  2. B.9 days
  3. C.7 days
  4. D.8 days

Answer + AI explanation with a free account

15. A can finish a job in 10 days and B in 12 days. Working together, in how many days will they finish it?

Mid
  1. A.7.45 days
  2. B.6.45 days
  3. C.5.45 days
  4. D.4.45 days

Answer + AI explanation with a free account

16. A can finish a job in 6 days and B in 24 days. Working together, in how many days will they finish it?

Mid
  1. A.6.80 days
  2. B.5.80 days
  3. C.4.80 days
  4. D.3.80 days

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17. A can finish a job in 10 days and B in 20 days. Working together, in how many days will they finish it?

Mid
  1. A.5.67 days
  2. B.6.67 days
  3. C.8.67 days
  4. D.7.67 days

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18. A can finish a job in 15 days and B in 12 days. Working together, in how many days will they finish it?

Mid
  1. A.5.67 days
  2. B.8.67 days
  3. C.7.67 days
  4. D.6.67 days

Answer + AI explanation with a free account

19. A can finish a job in 8 days and B in 18 days. Working together, in how many days will they finish it?

Mid
  1. A.6.54 days
  2. B.4.54 days
  3. C.7.54 days
  4. D.5.54 days

Answer + AI explanation with a free account

20. A can finish a job in 15 days and B in 30 days. Working together, in how many days will they finish it?

Mid
  1. A.10 days
  2. B.12.40 days
  3. C.11.20 days
  4. D.8.80 days

Answer + AI explanation with a free account

21. A can finish a job in 8 days and B in 12 days. Working together, in how many days will they finish it?

Mid
  1. A.4.80 days
  2. B.5.80 days
  3. C.3.80 days
  4. D.6.80 days

Answer + AI explanation with a free account

22. A can finish a job in 10 days and B in 30 days. Working together, in how many days will they finish it?

Mid
  1. A.7.50 days
  2. B.9.50 days
  3. C.8.50 days
  4. D.6.50 days

Answer + AI explanation with a free account

23. A can finish a job in 12 days and B in 20 days. Working together, in how many days will they finish it?

Mid
  1. A.9.50 days
  2. B.8.50 days
  3. C.6.50 days
  4. D.7.50 days

Answer + AI explanation with a free account

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