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Moderator  Joined: 18 Apr 2015
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Which of the following is 850 percent greater than [#permalink]
Expert's post 00:00

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

_________________
Intern Joined: 12 Oct 2017
Posts: 23
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Kudos [?]: 12 , given: 3

Re: Which of the following is 850 percent greater than [#permalink]

850/100 * 8*1000 Director Joined: 03 Sep 2017
Posts: 521
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Kudos [?]: 344  , given: 66

Re: Which of the following is 850 percent greater than [#permalink]
2
KUDOS
Rajneesh Garg wrote:

850/100 * 8*1000

Wrong. Answer is D!

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 Joined: 23 Nov 2017
Posts: 3
Followers: 0

Kudos [?]: 0 , given: 0

Re: Which of the following is 850 percent greater than [#permalink]
IlCreatore wrote:
Rajneesh Garg wrote:

850/100 * 8*1000

Wrong. Answer is D!

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

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

Admin please you should eliminate the wrong explanations as they confuse the readers. Ranjeesh has corrected the answer, but yet the wrong one appears before Ranjeesh's answer
Intern Joined: 23 Nov 2017
Posts: 3
Followers: 0

Kudos [?]: 0 , given: 0

Re: Which of the following is 850 percent greater than [#permalink]
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 Moderator  Joined: 18 Apr 2015
Posts: 5877
Followers: 96

Kudos [?]: 1154  , given: 5471

Re: Which of the following is 850 percent greater than [#permalink]
1
KUDOS
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
_________________ Re: Which of the following is 850 percent greater than   [#permalink] 12 Dec 2017, 02:53
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