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by alltimeacheiver » Wed May 04, 2011 8:02 pm
Ques

The care loaded on an automobile transport vehical range in weight from 2200 to 3400 pounds. How many cars are loaded on the vehical?

1 The max capacituy of gransport vehical is 14 tons

2 The total weight of car shipment is 13.5 Tons

ques 2
If X>0, then X is what per cent of Y?

1 X= 1/4y 2 X+Y = 100


I marked c because we need both values x and y to calculate percent but the ans is wrong.


Pls help
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by vineeshp » Wed May 04, 2011 8:52 pm
Hi Alltime,

1) I am not sure what the question is. I see spelling mistakes which make me wonder about the credibility of the question.

For 2)
Answer is A.
Stmt 1: you are given the ration between X and Y. To find X is what % of Y, you need X/Y * 100 which is given.
Stmt 2: X + Y =100 not enough since X and Y can take a lot of values.
Vineesh,
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by manpsingh87 » Wed May 04, 2011 8:53 pm
alltimeacheiver wrote: ques 2
If X>0, then X is what per cent of Y?

1 X= 1/4y 2 X+Y = 100


I marked c because we need both values x and y to calculate percent but the ans is wrong.


Pls help
required (x/y)*100;--------1)
1) x=(1/4)y;
submitting this in 1 we have;
((1/4)y/y)*100=1/4*100=25% hence 1 alone is sufficient.

2) x+y=100;
x=100-y;
submitting this in 1 we have;
(100-y/y)*100; now we cannot find the value of this expression as we don't know y; therefore 2 alone is not sufficient to answer the question.!!

hence answer should be A
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