In Sheldon most bicyclists aged 18 and over have lights on their bicycles, whereas most bicyclists under the age of 1...

rockinrobinpa October 14, 2015

Please diagram additional answer choices

Two questions: First, on my version of the App, the correct answer (Conservative Party Mailing List) is answer choice (C). Do you know if the other four choices on your version are the same as my version? (Your answer makes reference to answer choice (D) being the correct one) Second - Could you please diagram out the information for the incorrect choices also?? Thank you.

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Naz October 16, 2015

Sorry about the confusion. "D" was merely a typo, as the correct answer described the answer given in answer choice (C). As for the incorrect answers:

(A): Most of the people in Sheldon buy gasoline on Mondays only. But almost everyone in Sheldon buys groceries on Tuesdays only. It follows that fewer than half of the people in Sheldon buy gasoline on the same day on which they buy groceries.

Q1: S-most-BGaMO
BaGMO-some-S

Q2: S-most-BGrTO
BGrTO-some-S

C: S-some-BGaSDBGr
BGaSDGr-some-S

(B): The Sheldon Library lent more books during the week after it began lending videos than it had in the entire preceding month. It follows that the availability of videos was responsible for the increase in the number of books lent.

These are not Sufficient & Necessary statements so we cannot diagram them.

(D): In the country where Sheldon is located, every town that has two or more fire trucks has a town pool, whereas most towns that have fewer than two fire trucks do not have a town pool. It follows that Sheldon, which has a town pool, must have at least two fire trucks.

P1: 2+ ==> TP
not TP ==> not 2+

Q1: >2-most-not TP
not TP-some->2

P2: S ==> TP
not TP ==> not S

C: S ==> 2+
not 2+ ==> not S

(E): In Sheldon everyone over the age of 60 who knits also sews, but not everyone over the age of 60 who sews also knits. It follows that among people over the age of 60 in Sheldon there are more who sew than there are who knit.

P1: 60+ & K ==> S
not S ==> not 60+ or not K

C: Of people 60+: S > K

Hope that helps! Please let us know if you have any other questions