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If x is 20 percent greater than 88, then x =

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If x is 20 percent greater than 88, then x =  [#permalink]

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New post 22 Aug 2016, 01:54
00:00
A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

94% (00:36) correct 6% (00:41) wrong based on 157 sessions

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CEO
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Re: If x is 20 percent greater than 88, then x =  [#permalink]

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New post 22 Aug 2016, 04:08
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Top Contributor
Bunuel wrote:
If x is 20 percent greater than 88, then x =

A. 68
B. 70.4
C. 86
D. 105.6
E. 108


10% of 88 = 8.8
So, 20% of 88 = 17.6

x = 88 + 17.6 = ...before I even do any calculations, I notice from the answer choices that only one of them ends in .6

Answer:

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Re: If x is 20 percent greater than 88, then x =  [#permalink]

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New post 22 Aug 2016, 04:26
Bunuel wrote:
If x is 20 percent greater than 88, then x =

A. 68
B. 70.4
C. 86
D. 105.6
E. 108


X = 20/100(88) = 17.6

Now given condition is x is 20% greater than 88 = 88 + 17.6 = 105.6

IMO option D is correct answer...

OA please...will correct if I missed anything..
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Re: If x is 20 percent greater than 88, then x =  [#permalink]

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New post 22 Aug 2016, 12:39
[quote="Bunuel"]If x is 20 percent greater than 88, then x =

A. 68
B. 70.4
C. 86
D. 105.6
E. 108



X is 20% greater than 88 means X is 1.2 times 88 (in other words 88 + 20/100 * 88 = 1.2 * 88)

Therefore, X = 1.2 * 88 = 105.6

Answer should be "D"


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Re: If x is 20 percent greater than 88, then x =  [#permalink]

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New post 22 Aug 2016, 15:05
Quick way to answer:

Question says answer has to be greater than 88. So we can eliminate A,B and C.

And also we know that answer =88*1.2, which means last digit has to be 6.

So the answer is D.

Note: we cannot use this method, if it asks us to find approximate value.


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Re: If x is 20 percent greater than 88, then x =  [#permalink]

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New post 29 Aug 2016, 04:40
Any number which is 20% greater than the number can be represented as 1.2 * number
number + 20 % of number = 1.2 * number
given number = 88
1.2 * 88 = 105.6
Correct answer - D
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Re: If x is 20 percent greater than 88, then x =  [#permalink]

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New post 31 Oct 2018, 05:55
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Re: If x is 20 percent greater than 88, then x = &nbs [#permalink] 31 Oct 2018, 05:55
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