Percent of Male athletes

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El Cucu: Master | Next Rank: 500 Posts; Posts: 236; Joined: Fri Nov 28, 2008 9:16 am; Thanked: 9 times

by El Cucu » Mon Mar 30, 2009 4:39 pm

Of a gropu of people, 44% are male, and 74% are athletes. If 15% of the female are not athletes, what percent of the people are male athletes?

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Source: Beat The GMAT — Problem Solving | Mon Mar 30, 2009 4:39 pm

tdadic84: Master | Next Rank: 500 Posts; Posts: 111; Joined: Sat Sep 27, 2008 12:41 pm; Thanked: 1 times

by tdadic84 » Mon Mar 30, 2009 5:44 pm

can you please post questions with answer choices...thanks

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vittalgmat: Legendary Member; Posts: 621; Joined: Wed Apr 09, 2008 7:13 pmFollowed by: 4 members; Thanked: 33 times

by vittalgmat » Mon Mar 30, 2009 6:55 pm

I get 33%
What is the OA?

Next time, pls post the answer choices and OA (OA within the spoiler).

thanks
-V

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gmat740: MBA Student; Posts: 1194; Joined: Sat Aug 16, 2008 9:42 pmFollowed by: 17 members; Location: Paris, France; Thanked: 71 times; GMAT Score:710

by gmat740 » Mon Mar 30, 2009 8:22 pm

Let the Entire Group size to Be 100( for simplified calculations)

M ==> 44

no. of F(female) ==> 100 - 44 = 56

A(athlete) = 74% = 74

Now 15% of F not A

Thus 0.15* 56 not A
= 8.4 not A
So females who are athlete

56- 8.4 = 47.2

Now Male who are athletes = Total - Female Athletes

= 74 - 47.2 = 26.8

So % of Male Athletes is 26.8%

Although the method is correct, but I made some calculation error,
Now I hope everything is fine.

Last edited by gmat740 on Tue Mar 31, 2009 3:20 am, edited 3 times in total.

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nawaab007: Newbie | Next Rank: 10 Posts; Posts: 6; Joined: Fri Aug 03, 2007 11:30 pm; GMAT Score:650

by nawaab007 » Tue Mar 31, 2009 12:10 am

I got 26. Can somebody pls post the OA.

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NethraN: Senior | Next Rank: 100 Posts; Posts: 35; Joined: Mon Apr 14, 2008 12:40 am; Thanked: 1 times

by NethraN » Tue Mar 31, 2009 2:43 am

@gmat740

So F(female) ==> 100 - 44 = 66

Be careful and avoid such mistakes. We all panic and tend to make silly mistakes but we have to avoid them.

Nethra

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PAB2706: Master | Next Rank: 500 Posts; Posts: 260; Joined: Sun Oct 12, 2008 8:10 pm; Thanked: 4 times

by PAB2706 » Tue Mar 31, 2009 2:58 am

i got answer 33%

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gmat740: MBA Student; Posts: 1194; Joined: Sat Aug 16, 2008 9:42 pmFollowed by: 17 members; Location: Paris, France; Thanked: 71 times; GMAT Score:710

by gmat740 » Tue Mar 31, 2009 3:05 am

@NethraN

I am soo sorry.

I don't know How I made this mistake this is going to extremely fatal for me.

Thanks a lot by the way for Pointing out the mistake.

I will edit it.

Karan

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Morgoth: Master | Next Rank: 500 Posts; Posts: 316; Joined: Mon Sep 22, 2008 12:04 amFollowed by: 1 member; Thanked: 36 times

by Morgoth » Tue Mar 31, 2009 3:11 am

OA?

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gmat740: MBA Student; Posts: 1194; Joined: Sat Aug 16, 2008 9:42 pmFollowed by: 17 members; Location: Paris, France; Thanked: 71 times; GMAT Score:710

by gmat740 » Tue Mar 31, 2009 3:22 am

What if we are given two options like
a.26
b.27

the answer by proper working is shown above(26.8%)

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El Cucu: Master | Next Rank: 500 Posts; Posts: 236; Joined: Fri Nov 28, 2008 9:16 am; Thanked: 9 times

by El Cucu » Tue Mar 31, 2009 7:37 am

vittalgmat wrote:I get 33%
What is the OA?

Next time, pls post the answer choices and OA (OA within the spoiler).

thanks
-V

OA is 26,

We can not use double chart entry as there are subgroups right? tks

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