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majsandip
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 Posted: Fri May 09, 2008 4:38 am Post subject: DS Probs !!! URGENT PLs Help |
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1> Is [x-y] > [x] - [y]?
(1) y<x
(2) xy<0> An integer greater than 1 and not prome is called a composite. If a two digit number n , is more than 20 , is n composite?
(1) the tens digit of n is a factor of the units digit of n.
(2) Tens digit of n is 2.
3> Machines X & Y work at their respective constant rates. How many more hours does it take Y working alone to fill a production order than it takes X working alone?
(1) X & Y working together does it 2/3 the time it takes when only X works alone.
(2) Y alone takes twice the time to do the work tha X alone.
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kbm1975
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| Posted: Fri May 09, 2008 8:00 am Post subject: answer -> (1) B, (2) A (3) E? |
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| would u check the answers? |
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Riggz
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| Posted: Fri May 09, 2008 9:16 am Post subject: |
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Question 3) is E
both statements give y=2x. Question is asking for exact number hours y is greater than x. |
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majsandip
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| Posted: Fri May 09, 2008 10:52 pm Post subject: Answers |
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Composite no prob ans is a
Inequality prob ans is b
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