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If 125% of j

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Manager
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Joined: 22 Jul 2009
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If 125% of j [#permalink]

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New post 10 Jan 2010, 13:37
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D
E

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If 125% of j is equal to 25% of k, 150% of k is equal to 50% of l, and 175% of l is equal to 75% of m, then 20% of m is equal to what percent of 200% of j ?

a) .35
b) 3.5
c) 35
d) 350
e) 3500

This being a really simple question but i couldt solved it. I was very frustrated can some one help me on this?

Also let me know in these type of Q should we substitute the values?
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Re: If 125% of j [#permalink]

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New post 10 Jan 2010, 14:25
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First we need to find the relationship between j and m.

Simplifying the above equalities, we get:

5j=k
3k=i
7/3i=m

Therefore 35j=m.

Now we can plug in some numbers. Let's say j=10 and m=350
20% of m = 70
200% of j = 20

So we have 70/20 = 7/2 = 3.5, which is 350%. The answer is D.
Re: If 125% of j   [#permalink] 10 Jan 2010, 14:25
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If 125% of j

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