Given: P can complete the work in 6 days
Q can complete the work in 12 days
They took a work for Rs. 3000
P left the work after working 3 days
Concept Used: Work = Efficiency × Time
Wages ∝ Efficiency
Calculation: P’s 1 day work =
61 Q’s 1 day work
=121 Now, they took a work for Rs. 3000
⇒ Ratio of their shares = Ratio of their work done
=61:121 ⇒ 12 ∶ 6 = 2 ∶ 1
⇒ Q’s share
=31×3000= Rs. 1000
But, P left after 3 days,
⇒ Work done by P in 3 days
=3×61=21 ⇒ Work done by Q
=1−21=21 ⇒ Ratio of their shares
=21:21=1:1 ⇒ Q’s share
=21×3000= Rs. 1500
∴ Q will get = 1500 - 1000 = Rs. 500 more