Worker P is 50% as efficient as worker Q. Worker R does half of the work done by P and Q together. If R alone does the work in 40 days,then P, Q, and R together can do the work in?

1. Worker P is 50% as efficient as worker Q. Worker R does half of the work done by P and Q together. If R alone does the work in 40 days,then P, Q, and R together can do the work in?

[Officer (Freedom Fighter) 2019[MCQ] : 2019]

1. 20 1/3 days

2. 25 days

3. 15 days

4. 13 ⅓ days

Answer

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