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by TeddyBonham » Sat Mar 28, 2015 2:37 am
in a garden 1/3 of the purple flowers equals to 1/6 of the total number of flowers. 1/4 of the blue flowers equals to 1/7 of the total number of flowers.
what is the ratio between the purple flowers and the blue ones?

isn't it a problem that half are purple and more than half are blue? that means that there must be some blue purple flowers and that's not indicated as a possibility. the question implies that blue is only blue, and purple is only purple.
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by GMATGuruNY » Sat Mar 28, 2015 3:43 am
TeddyBonham wrote:in a garden 1/3 of the purple flowers equals to 1/6 of the total number of flowers. 1/4 of the blue flowers equals to 1/7 of the total number of flowers.
what is the ratio between the purple flowers and the blue ones?

isn't it a problem that half are purple and more than half are blue? that means that there must be some blue purple flowers and that's not indicated as a possibility. the question implies that blue is only blue, and purple is only purple.
1/3 of the purple flowers equals to 1/6 of the total number of flowers.
P/3 = T/6.
P = (1/2)T.

1/4 of the blue flowers equals to 1/7 of the total number of flowers.
B/4 = T/7.
B = (4/7)T.

Implication:
The purple flowers constitute half of the total, while the blue flowers constitute MORE THAN HALF of the total.
Not possible, unless 1/14 of the blue flowers are also purple.

The problem is flawed.
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by ceilidh.erickson » Sat Mar 28, 2015 3:40 pm
You're right - this question is nonsense. Please always post the source of the question, especially if you think it's flawed! That way you'll help other students to avoid flawed material.
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by TeddyBonham » Sat Mar 28, 2015 3:59 pm
i don't know the source. my sister gave it to me. thank you anyway
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