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Kenny is three times older than Bob. In P years he will be [#permalink]
26 Jan 2005, 14:43

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Difficulty:

(N/A)

Question Stats:

0% (00:00) correct
0% (00:00) wrong based on 0 sessions

Kenny is three times older than Bob. In P years he will be twice older than Bob will be Q years later. Which of the following represents Kennyâ€™s age comparing to Bobâ€™s? (If X = Kennyâ€™s age)

(a) X + P = 6X(P+Q).
(b) 2(X+P) = 3X + Q.
(c) (X+P)/2 = X/3 + P + Q.
(d) 3(X+P+Q) = 2X.
(e) 3X = 2(P + Q).

OA is (C)
This is the OE:
X is Kennyâ€™s age. X/3 is Bobâ€™s age. Answer C is equivalent to (X+P) = 2(X/3+P+Q), which means that in P years, X+P is 2 times (X/3+P) plus Q years. The correct answer is C.

The problem seems vaguely worded as "...than Bob will be Q years later" which actually means "Q years after P years". This could be intepreted as "Q years from now" too. Anyone has problem with the wordings?