RRB Group D (Level-1 posts) 2022 · Question 260 of 598
Let the number of years ago be x. Then, 55 - x = 3(25 - x). Solving this equation, we find x = 10 years.
Source: RRB Group D 2022 Prev. Yr. Paper (17 Aug 2022) (Shift 3) - Prepp · reliable-secondary
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