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Please help me to understand this Q?

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Manager
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Please help me to understand this Q? [#permalink]

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New post 27 Jan 2011, 08:24
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Can any one help me to understand this Question?
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Re: Please help me to understand this Q? [#permalink]

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New post 27 Jan 2011, 08:36
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Re: Please help me to understand this Q? [#permalink]

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New post 27 Jan 2011, 08:40
SoniaSaini wrote:
Can any one help me to understand this Question?


In the current year the audience was expected to increase by 20 % more than the the previous year.

let the previous year attendance be 100, so now it is expected to increase to 120% of 100 which is 120

However there was a drop of 10% in people who actually attended , so instead of 120% of (current yearr) 90% of (current year ) came, so basically 90 people came

The question asks us to find how much is 90 as a percentage of 120 which is 75%

Thanks,
PKON
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Re: Please help me to understand this Q? [#permalink]

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New post 27 Jan 2011, 11:43
Sonia ,

When it comes percentage Questions, it always good to assume a 100 as the ''base'' on which you either would decrease or increase and follow according to what is being asked.

When ever a Question of this sorts is asked , assume the ''current'' Number to be 100

Then as explained by the above two post' - a 20% Increase would 20% of 100 + 100 that would be - 120.
But then we had ONLY 90 % attending so that would be 10% of 100 - 100 : 90

90 /120 = 75 %
Best
Manager
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Location: Pune, India
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Re: Please help me to understand this Q? [#permalink]

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New post 27 Jan 2011, 21:22
DaVagabond wrote:
Sonia ,

When it comes percentage Questions, it always good to assume a 100 as the ''base'' on which you either would decrease or increase and follow according to what is being asked.

When ever a Question of this sorts is asked , assume the ''current'' Number to be 100

Then as explained by the above two post' - a 20% Increase would 20% of 100 + 100 that would be - 120.
But then we had ONLY 90 % attending so that would be 10% of 100 - 100 : 90

90 /120 = 75 %
Best



Ohh God it was very easy Q and I was unable to understand it.
Thank you very much for helping me.
Re: Please help me to understand this Q?   [#permalink] 27 Jan 2011, 21:22
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