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kevincan
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kevincan
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i think it is E

original ratio - w:m = 7:11

assume the following
w:m = 7:11, then after replacement w:m = 17:1, thus % of w>0.4
w:m = 14:22, then after replacement w:m = 24:12, thus % of w > 0.4
w:m = 21:33, then after replacement w:m = 31:23 , thus % of w > 0.4
w:m = 28:44, then after replacement w:m = 38:34, thus % of w >0.4
w:m = 35:55, then after replacement w:m = 45:45, thus % of w > 0.4

there r more than 4 possibilitie, so answer is E
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Rayn
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imaru
i think it is E

original ratio - w:m = 7:11

assume the following
w:m = 7:11, then after replacement w:m = 17:1, thus % of w>0.4
w:m = 14:22, then after replacement w:m = 24:12, thus % of w > 0.4
w:m = 21:33, then after replacement w:m = 31:23 , thus % of w > 0.4
w:m = 28:44, then after replacement w:m = 38:34, thus % of w >0.4
w:m = 35:55, then after replacement w:m = 45:45, thus % of w > 0.4

there r more than 4 possibilitie, so answer is E


I like your line of reasoning. This should be right! Let's wait for Kevin
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kevincan
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(7x +10)/18x > 40%

=> 7x + 10 > 7.2x
=> 0.2x < 10

x = 1,2,3,4 (not zero, since the denominator would become zero)

hence D

Why do you say D?


i forgot the = sign.
0.2x <=10, which gives 5 values for x. Ys, its E
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f/m=7k/11k

if 10 males are replaced by 10 females...no of females = 7k+10

this percentage sgould be atleast 40 %..

so (7k+10)/18k *100>= 40

solving k<=50...

since more than 4 values are possible...
hence choice E



kevincan
The staff of a company is such that there are 7 women for every 11 men. A goverment tax-break is granted to companies in which at least 40% of the employees are women, To qualify for the tax-break, the company has decided to lay off a number of men and replace them with an equal number of women. Unless the company lays off at least 10 men, it will not qualify for the tax-break. How many possibilities are there for the current number of employees in the company?

(A) 1 (B) 2 (C) 3 (D) 4 (E) more than 4



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