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30 May 2016, 13:59
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E
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Difficulty:
45%
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65% (01:42) correct
35%
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At a corporate board meeting, two advertising ideas A and B are preesented such that each board member supports one but not the other. Of the board members, 45 percent support idea A and the remaining support idea B. How many board members are in favor of advertising heavily in social media?
(1) Of the supporters of Idea A, 58 percent are in favor of advertising heavily in social media.
(2) Of the supporters of Idea B, 22 are in favor of advertising heavily in social media.
(1) Of the supporters of Idea A, 58 percent are in favor of advertising heavily in social media.
(2) Of the supporters of Idea B, 22 are in favor of advertising heavily in social media.
31 May 2016, 00:35
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let the total be x
45 % support idea A = .45x
55 % support idea B = .55x
required -
How many board members are in favour of advertising heavily in social media ?
1.58% of 0.45x support advertising heavily in social media = 0.261x
insufficient.
2.within B 22 are in favour of advertising heavily in social media = 22
insufficient.
combining both
0.261x + 22 are the total no of people in favour of .... social media
since we do not know the value of x both the statements together are insufficient , E
45 % support idea A = .45x
55 % support idea B = .55x
required -
How many board members are in favour of advertising heavily in social media ?
1.58% of 0.45x support advertising heavily in social media = 0.261x
insufficient.
2.within B 22 are in favour of advertising heavily in social media = 22
insufficient.
combining both
0.261x + 22 are the total no of people in favour of .... social media
since we do not know the value of x both the statements together are insufficient , E
ligeraks
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08 Jul 2016, 00:55
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Have a doubt here. It is mentioned that those who support idea A would not support idea B.
As an implication in option (B), since 22 members are in favor of Social Media that implies that none of the members in the group 45% of Total support Social Media (Irrespective of the number). Also among the supporters of idea B that is 55% of the Total, since 22 members support Social Media this implies that the remainder DO NOT support Social Media. So can't we derive the answer from Statement (B) alone?
Any clarification would be much appreciated...Thanks
As an implication in option (B), since 22 members are in favor of Social Media that implies that none of the members in the group 45% of Total support Social Media (Irrespective of the number). Also among the supporters of idea B that is 55% of the Total, since 22 members support Social Media this implies that the remainder DO NOT support Social Media. So can't we derive the answer from Statement (B) alone?
Any clarification would be much appreciated...Thanks
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