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What is the ratio of the number of cups of flour to the [#permalink]
26 Oct 2008, 14:34

2

This post was BOOKMARKED

00:00

A

B

C

D

E

Difficulty:

25% (medium)

Question Stats:

65% (01:37) correct
35% (00:37) wrong based on 134 sessions

What is the ratio of the number of cups of flour to the number of cups of sugar required in a certain cake recipe?

(1) The number of cups of flour required in the recipe is 250% of the number of cups of sugar required in the recipe (2) 1 1/2 more cups of flour than cups of sugar are required in the recipe.

I got the wrong answer and I now know the correct answer but need the rationale - could someone tell me the answer and the rationale behind the answer? Thanks. I'll post the OA later.

Re: DS: Ratio of number of cups of flour to sugar [#permalink]
26 Oct 2008, 18:43

tharunv wrote:

What is the ratio of the number of cups of flour to the number of cups of sugar required in a certain cake recipe? (1) The number of cups of flour required in the recipe is 250% of the number of cups of sugar required in the recipe (2) 1 1/2 more cups of flour than cups of sugar are required in the recipe.

I got the wrong answer and I now know the correct answer but need the rationale - could someone tell me the answer and the rationale behind the answer? Thanks. I'll post the OA later.

The question is asking -- what is f/s ?

(1) f = 250%(s) = (250*s)/100 ------ f/s = 5/2 ---- sufficient (2) f = s + s(1 1/2) = s + (3*s)/2 = (5*s)/2 ------ f/s = 5/2 ---- sufficient

answer is D ? _________________

"You have to find it. No one else can find it for you." - Bjorn Borg

Re: DS: Ratio of number of cups of flour to sugar [#permalink]
27 Oct 2008, 10:23

I made the same mistake that amitdgr made and chose D. But I see what scthakur says - sheesh these silly mistakes can cost a lot! Thanks a lot guys for the response. OA is A.

Re: DS: Ratio of number of cups of flour to sugar [#permalink]
27 Oct 2008, 13:44

tharunv wrote:

I made the same mistake that amitdgr made and chose D. But I see what scthakur says - sheesh these silly mistakes can cost a lot! Thanks a lot guys for the response. OA is A.

The worst part is F/S from (1) and your misinterpreted (2) arrives at 5.2 leaving you no room for second thought. after I saw D, I thought I dinged the Q by choosing A

Re: DS: Ratio of number of cups of flour to sugar [#permalink]
24 Aug 2009, 11:11

2

This post received KUDOS

Tejal,

You might want to re-read the stmt-2. 3/2 more cups is different from 3/2 times more cups. when it says times, you can take s + s(3/2) but it's just a cup and half over s so s + 3/2.

Infact, I too got the answer wrong, thought it was D and later figured out what was wrong, with my reading!!!! _________________

Re: What is the ratio of the number of cups of flour to the [#permalink]
02 Jul 2013, 00:55

Expert's post

1

This post was BOOKMARKED

fozzzy wrote:

What is the ratio of the number of cups of flour to the number of cups of sugar required in a certain cake recipe?

(1) The number of cups of flour required in the recipe is 250% of the number of cups of sugar required in the recipe (2) 1 1/2 more cups of flour than cups of sugar are required in the recipe.

Statement 2 is

F = s + 1.5?

Is this correct

Yes, (2) translates: F = S + 3/2. _________________

Re: What is the ratio of the number of cups of flour to the [#permalink]
02 Jul 2013, 12:02

fozzzy wrote:

Statement 2 is

F = s + 1.5?

Is this correct

Yes. I also chose D at first but in retrospect the question is easy if you read the word problem correctly.

Statement 1 says F = S multiplied by something, because it states '250% of y' of = times = * Statement 2 says F = S + 1.5 indeed, as the wording 'x more ... than y' = y + x

The first statement thus gives you a ratio (sufficient), the second does not as F could equal 5.5 and S 4 cups. Or F could equal 7 and S 5.5 cups which give different ratios.

thus the answer is A.

gmatclubot

Re: What is the ratio of the number of cups of flour to the
[#permalink]
02 Jul 2013, 12:02