Subject
MBA Exam
Topic
Evening MBA-DU(28th Batch)
A fraction becomes 4 when 1 is added to both the numerator and denominator and it becomes 7 when 1 is subtracted from both the numerator and the denominator. The numerator of the fraction is------
A fraction becomes 4 when 1 is added to both the numerator and denominator and it becomes 7 when 1 is subtracted from both the numerator and the denominator. The numerator of the fraction is------
ক)
15খ)
3গ)
7ঘ)
9Explanation
suppose the fraction is x/y if, x+1/y+1 = 4 or,y=(x-3)/4 again, x-1/y-1=7 or, y=(x+6)/7 or, (x-3)/4=(x+6)/7 or, x=15Related questions
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