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Re: The table gives information for 20 models of sports cars. For each of [#permalink]
1)Yes, Since Olsen Model has the smallest engine size of 3 along with the least amount of horsepower and PTZ and Granato are also least in hp

2)No,biota(lightest model) doesn't produce the most hp per pound since other models produce more hp per pound

3)No, since The model with the lowest dollar-per-horsepower ratio is T-400(67.93)while the model with the lowest price is Tesco (24120)

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Re: The table gives information for 20 models of sports cars. For each of [#permalink]
Attachment:
123.jpg
123.jpg [ 105.62 KiB | Viewed 14367 times ]


For each of the following statements, select Yes if the statement is true based on the information given. Otherwise select No.

YesNo
There are no models that have more than 500 horsepower.
All of the models that weigh more than 4,000lb (pounds) have more than 400 horsepower.
The least expensive model produces the least horsepower per liter of engine size.


Same table from this post

No, No and Yes
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Re: The table gives information for 20 models of sports cars. For each of [#permalink]
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So, how to go about the last question in a short time
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Re: The table gives information for 20 models of sports cars. For each of [#permalink]
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crux is the last Q.

Use 310/5.7 as reference = 54.xx To get a lower HP per L, we either need lower HP, or larger L or both. My approach is:
1) filter the table by HP, you see only four cars fewer HP than 310. all of them have materially lower Engine size, with a quick math 300/4.6 also larger than 54.

2) filter by engine Size, you see a range of car at the bottom more than 5.7L, amongst which the smallest HP and biggest L is 400/6.2 = obviously 60 -> confirm Tesco has the lowest ratio.
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Re: The table gives information for 20 models of sports cars. For each of [#permalink]
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Dear friend
Sajjad1994
for the first question :The model with the smallest engine and at least one other model both rank last in the amount of horsepower they produce.

we can see that smallest engine (3) and some other small engines rank last in the Hoursepower, BUT SURPRISINGLY, THE greatest engine size (6.2) also have 300 Hoursepower!. So how the answer to this question is YES?
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Re: The table gives information for 20 models of sports cars. For each of [#permalink]
My approach for Question 2:

Lightest model (sorted the list by weight) = Biota

Horsepower per pound = 430/3208

For any other model to have a greater ratio of HP/Weight, there are two things to consider

1. Weight of all other models is greater than that of Biota
2. Thus, Horsepower of such a model will have to be > 430, only then will HP/Weight be greater than 430/3208 (Biota's value)

Only 2 models satisfy criteria #2: Victor (500) & Chaffer (540)

Calculated and compared ratios for these 3 models. The ratio is highest for Victor model.

Hence, false­
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Re: The table gives information for 20 models of sports cars. For each of [#permalink]
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