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data sufficiency
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If y is not equal 0 and y is not equal -1, which is greater, x/y or x/(y+1)?
(1) x is not equal 0
(2) x>y

My answer:
stem(1) we just know x  (no sufficiency)
stem(2) we can not know the value of x and y  (no sufficiency)
together (1) and (2): we can know, which is greater, x/y or x/(y+1)

please tell me why I am wrong


Each person on a committee with 40 members voted for exactly one of 3
candidates,F,G or H. Did Candidate F receive the most votes from the 40 votes cast?
(1) Candidate F receive 11 of the votes
(2) Candidate H received 14 of the votes

My answer:
stem(1) we can not know the number of G and H  (no sufficiency)
stem(2) we can not know the number of F and G  (no sufficiency)
together (1) and (2) F=11   G=15     H=14   (sufficiency)

提问时间:2009-12-28 13:59:01提问者: Kathy00097 [初中生]
最佳答案

1:请同学把详细题目发一下,谢谢。
2:My answer is A.
The question is whether F received max votes of a total of 40.

st1] Candidate F received 11 of the votes.
Here if F were to receive the max votes then the total no. of votes would be < 31. But since the total no. of votes is 40, it goes to say that F did not recieve the max votes.

st2] Candidate H received 14 of the votes.
This clearly is in suff.

回答时间:2009-12-29 17:33:18 回答者:zsk_koo [知识堂达人]

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