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Which one of the following must p-q equal if 60% of m equals p and 3/5

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Joined: 31 Oct 2013
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Concentration: Accounting, Finance
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Which one of the following must p-q equal if 60% of m equals p and 3/5  [#permalink]

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07 Sep 2018, 03:35
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15% (low)

Question Stats:

93% (00:34) correct 7% (00:06) wrong based on 14 sessions

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Which one of the following must p-q equal if 60% of m equals p and 3/5 of m equals q ?

A)0
B)m/11
C)2m / 11
D)3m/55
E)6m/55
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Joined: 02 Aug 2009
Posts: 6785
Re: Which one of the following must p-q equal if 60% of m equals p and 3/5  [#permalink]

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07 Sep 2018, 03:47
selim wrote:
Which one of the following must p-q equal if 60% of m equals p and 3/5 of m equals q ?

A)0
B)m/11
C)2m / 11
D)3m/55
E)6m/55

Easiest and may be the best would be to substitute 100 for m..
So p=60% of 100 = 60
And q=100*3/5=60
p-q=60-60=0

A

Also 3/5=6/10 which is nothing but 60%
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Re: Which one of the following must p-q equal if 60% of m equals p and 3/5  [#permalink]

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07 Sep 2018, 07:47
selim wrote:
Which one of the following must p-q equal if 60% of m equals p and 3/5 of m equals q ?

A)0
B)m/11
C)2m / 11
D)3m/55
E)6m/55

Let $$m = 10$$

So, $$p = 6$$

And $$q = 6$$

Hence $$p - q = 0$$ , Answer must be (A)
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Re: Which one of the following must p-q equal if 60% of m equals p and 3/5 &nbs [#permalink] 07 Sep 2018, 07:47
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