Quantitative Aptitude – Arithmetic – Time and work


Slot – 2 – Quantitative Aptitude – Arithmetic – Time and work – Anil alone can do a job in 20 days while

Q. Anil alone can do a job in 20 days while Sunil alone can do it in 40 days. Anil starts the job, and after 3 days, Sunil joins him. Again, after a few more days, Bimal joins them and they together finish the job. If Bimal has done 10% of the job, then in how many days was the job done?
  1. 13
  2. 12
  3. 15
  4. 14
Answer: 13

Solution: In 3 days, Anil does 3/20 of work
Let a and s work for x days, then total work done = 3x/40
So, 3/20 + 3x/40 = 9/10
15/20 = 3x/40
X = 10
So, total no. of days = 13

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