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Each week we'll be posting several questions from The Official Guide For GMAT® Quantitative Review, 2ND Edition and then after couple of days we'll provide Official Answer (OA) to them along with a slution.

We'll be glad if you participate in development of this project: 1. Please provide your solutions to the questions; 2. Please vote for the best solutions by pressing Kudos button; 3. Please vote for the questions themselves by pressing Kudos button; 4. Please share your views on difficulty level of the questions, so that we have most precise evaluation.

Re: What was the amount of money donated to a certain charity? [#permalink]
03 Jan 2014, 05:14

Expert's post

SOLUTION

What was the amount of money donated to a certain charity?

(1) Of the amount donated, 40 percent came from corporate donations. This implies that of the amount donated, 60 percent came from noncorporate donations. Not sufficient.

(2) Of the amount donated, $1.5 million came from noncorporate donations. Not sufficient.

(1)+(2) 0.6*{total} = $1.5 million. We can solve for {total}. Sufficient.

What was the amount of money donated to a certain charity?

(1) Of the amount donated, 40 percent came from corporate donations. (2) Of the amount donated, $1.5 million came from noncorporate donations.

Statement 1) No actual value of money mentioned but the question asks about amount of money. Not Sufficient. Statement 2) Though the value of money is specified, but the relationship of "noncorporate donations" with the "money donated" is not specified. So Not Sufficient.

Combining the two statements, we know $1.5 million corresponds to 60% (assuming "corporate donations" and "noncorporate donations" are mutually exclusive - Kind of open to interpretation), total money can be calculated. Hence option C) _________________

Re: What was the amount of money donated to a certain charity? [#permalink]
05 Jan 2014, 11:06

Expert's post

SOLUTION

What was the amount of money donated to a certain charity?

(1) Of the amount donated, 40 percent came from corporate donations. This implies that of the amount donated, 60 percent came from noncorporate donations. Not sufficient.

(2) Of the amount donated, $1.5 million came from noncorporate donations. Not sufficient.

(1)+(2) 0.6*{total} = $1.5 million. We can solve for {total}. Sufficient.

Re: What was the amount of money donated to a certain charity? [#permalink]
21 Sep 2014, 03:17

Bunuel wrote:

SOLUTION

What was the amount of money donated to a certain charity?

(1) Of the amount donated, 40 percent came from corporate donations. This implies that of the amount donated, 60 percent came from noncorporate donations. Not sufficient.

(2) Of the amount donated, $1.5 million came from noncorporate donations. Not sufficient.

(1)+(2) 0.6*{total} = $1.5 million. We can solve for {total}. Sufficient.

Answer: C.

Helpl me with one kind of confusion. It is not explicitly given that the total money donated to charity comprises of only corporate and non corporate donation.Then how can we assume that both sum up to total money.

Re: What was the amount of money donated to a certain charity? [#permalink]
21 Sep 2014, 10:31

2

This post received KUDOS

Expert's post

srinivaskt wrote:

Bunuel wrote:

SOLUTION

What was the amount of money donated to a certain charity?

(1) Of the amount donated, 40 percent came from corporate donations. This implies that of the amount donated, 60 percent came from noncorporate donations. Not sufficient.

(2) Of the amount donated, $1.5 million came from noncorporate donations. Not sufficient.

(1)+(2) 0.6*{total} = $1.5 million. We can solve for {total}. Sufficient.

Answer: C.

Helpl me with one kind of confusion. It is not explicitly given that the total money donated to charity comprises of only corporate and non corporate donation.Then how can we assume that both sum up to total money.

All donations are either corporate or noncorporate, how else? Consider this, are there any other colors but black and non-black? It's as simple as this. _________________

Back to hometown after a short trip to New Delhi for my visa appointment. Whoever tells you that the toughest part gets over once you get an admit is...