In a college, the ratio of the number of boys to girls is 8 : 5. If there are 160 girls, the total number of students in the college is  Choose the correct choice from the following
A) 100 B) 250 C) 260 D) 416 E) None
Sol.   Let the number of boys and girls be 8x and 5x respectively.   Then, 5x = 160 ⇔ x = 32.   ∴ Total number of students = 13x = (13 x 32) = 416.   Answer 416
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In a college, the ratio of the number of boys to girls is 8 : 5. If there are 160 girls, the total number of students in the college is