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# Which of the following is 850 percent greater than

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Which of the following is 850 percent greater than [#permalink]  13 Oct 2017, 02:03
Expert's post
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Question Stats:

50% (00:50) correct 50% (00:21) wrong based on 10 sessions

Which of the following is 850 percent greater than $$8 * 10^3$$ ?

A. $$8.5*10^3$$

B. $$6.4*10^4$$

C. $$6.8*10^4$$

D. $$7.6*10^4$$

E. $$1.6*10^5$$
[Reveal] Spoiler: OA

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Re: Which of the following is 850 percent greater than [#permalink]  13 Oct 2017, 05:02

850/100 * 8*1000
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Re: Which of the following is 850 percent greater than [#permalink]  15 Oct 2017, 02:32
2
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Rajneesh Garg wrote:

850/100 * 8*1000

You have to pay attention when computing an increase by a certain percentage. In this case, the formula for the words in the question is

$$(1+8.5)*8*10^3 = 9.5*8*10^3 = 76*10^3 = 7.6*10^4$$
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Re: Which of the following is 850 percent greater than [#permalink]  12 Dec 2017, 02:31
IlCreatore wrote:
Rajneesh Garg wrote:

850/100 * 8*1000

You have to pay attention when computing an increase by a certain percentage. In this case, the formula for the words in the question is

$$(1+8.5)*8*10^3 = 9.5*8*10^3 = 76*10^3 = 7.6*10^4$$

Intern
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Re: Which of the following is 850 percent greater than [#permalink]  12 Dec 2017, 02:33
Rajneesh Garg wrote:

850/100 * 8*1000

(850/100) * 8*10^3 just calculates 850% of the given quantity. while the question is asking about which quantity is this much greater than the original one. So the correct answer is one that adds this increase to the original one. which is answer D
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Re: Which of the following is 850 percent greater than [#permalink]  12 Dec 2017, 02:53
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Expert's post
Hi guys,

the post above could be deleted but is an answer from a student. Even if it is wrong is always part of the debate.

here, we are to learn.

Kindly Regards
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Re: Which of the following is 850 percent greater than   [#permalink] 12 Dec 2017, 02:53
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