1.

P and Q can complete a piece of work in 30 days and 15 days respectively. They contracted to complete the work for Rs. 60,000. Then find the share of P in the contracted money will be?1. 15,0002. 30,0003. 20,0004. 50,000

Answer» Correct Answer - Option 3 : 20,000

Given:

P can do a piece of work = 30 days

Q can do a piece of work = 15 days

Contracted to complete the work = Rs. 60,000

Concept used:

Total work = LCM

Divide money according to the ratio of efficiency

Formula used:

Efficiency = Work/Time

Calculations:

Total work = LCM = 30

Person

Time

Total work

Efficiency

P

30 days

30

30/30 = 1

Q

15 days

30

30/15 = 2

 

Ratio of efficiency = P ∶ Q = 1 ∶ 2

P’s share = (60,000/3) × 1 = 20,000

P’s share is Rs. 20,000



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