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In a certain school, there are 160 boys and 240 girls. If 15 percent

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Math Expert
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V
Joined: 02 Sep 2009
Posts: 58335
In a certain school, there are 160 boys and 240 girls. If 15 percent  [#permalink]

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New post 18 Oct 2018, 02:22
00:00
A
B
C
D
E

Difficulty:

  15% (low)

Question Stats:

92% (01:21) correct 8% (02:11) wrong based on 49 sessions

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Manager
Manager
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S
Joined: 26 Feb 2017
Posts: 86
Location: India
GPA: 3.99
Re: In a certain school, there are 160 boys and 240 girls. If 15 percent  [#permalink]

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New post 18 Oct 2018, 02:28
15% of the boys are left handed = .15* 160 = 24
25% of girls are left handed = .25 * 240 = 60
=(24+60/400) * 100
= 21 %
C is the correct answer

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GMAT Club Bot
Re: In a certain school, there are 160 boys and 240 girls. If 15 percent   [#permalink] 18 Oct 2018, 02:28
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In a certain school, there are 160 boys and 240 girls. If 15 percent

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