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The profit from sale

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The profit from sale

by TheAnuja55 » Fri Oct 19, 2012 10:54 am
The profit from the sale of a certain appliance increases, though not proportionally, with the number of units sold. did the profit exceed $4 million on sales of 380,000 units?

(1) the profit exceeded $2 million on sales of 200,000 units
(2) the profit exceeded $5 million on sales of 350,000 units
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by vikram4689 » Fri Oct 19, 2012 9:48 pm
B)

If profit has already exceeded $5(>4)million by selling 350000(>380000) then We know that profit will exceed $4 million by selling 380000 units.

We don't have enough information to apply same logic for A)
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by Anurag@Gurome » Fri Oct 19, 2012 10:40 pm
TheAnuja55 wrote:The profit from the sale of a certain appliance increases, though not proportionally, with the number of units sold. did the profit exceed $4 million on sales of 380,000 units?

(1) the profit exceeded $2 million on sales of 200,000 units
(2) the profit exceeded $5 million on sales of 350,000 units
(1) For 200,000 units, the profit exceeded $2 million
So, for 380,000 units, the profit exceeded (380,000 * 2)/200,000 = $3.8 million, but it is not clear if the profit exceeded $4 million or not; NOT sufficient.

(2) For 350,000 units, the profit exceeded $5 million.
So, for 380,000 units, the profit exceeded (380,000 * 5)/350,000 = $5.4 million, which clearly means that the profit exceeded $4 million; SUFFICIENT.

The correct answer is B.
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by ihatemaths » Sat Oct 20, 2012 12:11 am
it is stated not propotional , then why bring in propotionality wrt to statement 1?
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