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26 Jan 2017, 10:33
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15 passengers on a commuter train read novels and 23 of the female passengers read newspapers. If 2 male passengers on the train read newspapers and the ratio of female to male passengers on the train is 3 to 1, which of the following is the number of male passengers reading novels on the train?
A. 7
B. 8
C. 10
D. 25
E. 28
A. 7
B. 8
C. 10
D. 25
E. 28
26 Jan 2017, 10:48
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15 read novels
23 + 2 read newspapers
total 15 + 25 = 40
ratio of males to females is 3:1 hence females = 30, males = 10
15 read novels , out of which 7 are females,,,hence males = 8
ans B
23 + 2 read newspapers
total 15 + 25 = 40
ratio of males to females is 3:1 hence females = 30, males = 10
15 read novels , out of which 7 are females,,,hence males = 8
ans B
26 Jan 2017, 10:49
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Bunuel
15 passengers on a commuter train read novels and 23 of the female passengers read newspapers. If 2 male passengers on the train read newspapers and the ratio of female to male passengers on the train is 3 to 1, which of the following is the number of male passengers reading novels on the train?
A. 7
B. 8
C. 10
D. 25
E. 28
A. 7
B. 8
C. 10
D. 25
E. 28
Let number of male passengers reading novels on the train = m
number of female passengers reading novels on the train = 15- m
(23+ 15-m)/(2+m) = 3
=> 4m = 32
=> m = 8
Answer B
