Question:
15 men can prepare 10 toys in 4 days working 4 hours a day. Then in how many days can 12 men prepare 20 toys working 8 hours a day?
A5 days
B6 days
C4 days
D3 days
Answer:
A. 5 days
Explanation:
M1 x D1 x T1 x W2 = M2 x D2 x T2 x W1 15 x 4 x 4 x 20 = 12 x D2 x 8 x 10 (15 x 4 x 4 x 20) / (12 x 8 x 10) = D2 D2 = 5 days