Multiple Choice Questions

Some persons can do a piece of work in 12 days Two times the number of these people will do half of ...........

Quantitative Aptitude (RRB NTPC) Time and work

Some persons can do a piece of work in 12 days. Two times the number of these people will do half of that work in?

- A group of people can finish a task in 12 days.

- If the number of people is doubled, they work more efficiently.

- Double the group should complete the full work in 6 days because they work twice as fast.

- Now, they need to do only half of the work.

- So, they need only half of the time to do half the work.

- Half of 6 days is 3 days.

- Correct answer: Option 4: 3

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