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M12 Q35

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M12 Q35 [#permalink] New post 03 Jan 2010, 19:40
If the price increased by from 2001 to 2002 by X% and by Y% from 2002 to 2003, what is the percentage increase from 2001 to 2003?

1. XY=30
2. 100X+100Y+XY=800

Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient

Would appreciate any detailed explanation of the problem
Question updated sorry.
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Last edited by mirzohidjon on 04 Jan 2010, 09:24, edited 1 time in total.
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Re: M12 Q35 [#permalink] New post 03 Jan 2010, 20:06
mirzohidjon wrote:
If the price increased by from 2001 to 2002 by X% and by Y% from 2002 to 2003, what is the percentage increase from 2001 to 2003?



Statement (1) ALONE is sufficient, but Statement (2) ALONE is not sufficient
Statement (2) ALONE is sufficient, but Statement (1) ALONE is not sufficient
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient
EACH statement ALONE is sufficient
Statements (1) and (2) TOGETHER are NOT sufficient

Would appreciate any detailed explanation of the problem


statement 1 and 2 are not visible. Kindly update the question
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Re: M12 Q35 [#permalink] New post 05 Jan 2010, 11:52
I feel correct answer is 'B'.

If a product price increases first by X%,then by Y%, total increase is given by formula

X%+Y%+XY/100%.

Using this formula & stmt2 we get total increase as 8%
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Re: M12 Q35 [#permalink] New post 05 Jan 2010, 12:19
I think Statement 2 is sufficient and Answer is B

Whats the OA?
Re: M12 Q35   [#permalink] 05 Jan 2010, 12:19
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