A car-wash firm has 3 workers. Before specialisation, each worker washed 5 cars per day. After specialisation, 30 cars per day are washed. What is the percentage increase in productivity?
A.
B.
C.
D.
Exam No：0455_m25_qp_12 Year：2025 Question No：14
Answer:
B
Knowledge points:
3.6.1 demand for factors of production
3.6.2 labour-intensive and capital-intensive production
3.6.3 production and productivity
Solution:
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