RRB NTPC · Question 13
The numerator of a fraction is 2 less than the denominator. If the numerator is multiplied by 2 and the denominator is multiplied by 3, then the fraction becomes 2/9 The fraction is:
Show answer & explanation
Answer: (C) 1/3
Explanation
Let the fraction be x/(x + 2). Then 2x/[3(x + 2)] = 2/9, so 18x = 6x + 12 and x = 1. The fraction is 1/3.