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1. Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes ?
- A. 648
- B. 648
- C. 648
- D. 648
Answer: Option B
Explanation:
Hints : 6 machines produce 270 bottles per minute
1 machine produce 270/6 bottles per minute
10 machines produce = 45 × 10 = 450 bottles per minute
In 4 minutes 10 machines produce = 450 × 4 bottles = 1800 bottles
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