73. 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

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(b) 1800

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(d) 10800

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Solution

The correct option is B
(b) 1800

Answer 74.(b)
Explanation:
Let the required number of be x.bottles
More machines, More bottles (Direct Proportion)
More minutes, More bottles (Direct Proportion)
Machines 6:10} :: 270 : x
Time (in minutes)1:4}
6 x 1 x x = 10 x 4 x 270
(10 x 4 x 270)
⟹x=(6)
⟹x=1800

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