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# If s is a two-digit number (so s = qp with q and p

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VP
Joined: 25 Nov 2004
Posts: 1494
Followers: 6

Kudos [?]: 40 [0], given: 0

If s is a two-digit number (so s = qp with q and p [#permalink]  17 Feb 2005, 23:20
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0% (00:00) correct 0% (00:00) wrong based on 0 sessions
5) If s is a two-digit number (so s = qp with q and p digits), what is the last digit p of s?

(1) The number 3s is a three-digit number whose last digit is p
(2) The digit p is less than 7
Intern
Joined: 11 Dec 2003
Posts: 49
Location: IN
Followers: 1

Kudos [?]: 9 [0], given: 0

Thanks
Manager
Joined: 15 Feb 2005
Posts: 246
Location: Rockville
Followers: 1

Kudos [?]: 6 [0], given: 0

Given the constraints of the problem
if qp=s then statement 1 gives you 3s=3qp
statement 2 tells you p<7
neither statements alone not together can help you ditermine the exact value of p.
Sufficiency only requires you to figure out if you can get the answer or not, and if so which one of the statement is needed or if both are needed
VP
Joined: 18 Nov 2004
Posts: 1441
Followers: 2

Kudos [?]: 22 [0], given: 0

"E".

State 1: p can be 0 or 5 only....insuff

State 2: Doesn't say anything...insuff

Together again p can be 0 or 5....insuff
Current Student
Joined: 28 Dec 2004
Posts: 3387
Location: New York City
Schools: Wharton'11 HBS'12
Followers: 14

Kudos [?]: 186 [0], given: 2

E it is....

1) qp*3=100x+10y+p; p can be 0 or 5

2) p<7...can be 1, 2, 3 etc

together 5 and 0 are less than 7
Manager
Joined: 13 Feb 2005
Posts: 63
Location: Lahore, Pakistan
Followers: 1

Kudos [?]: 0 [0], given: 0

let s=34.
then 3s = 102,p=2

let s=40
then 3s = 120,p=0

E
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