RPF Sub-Inspector (Executive) 2019 · Question 4 of 82
Let the speed of the Tellyn be 11 units. Speed of the Tellyn after decrement = 11 10/11 = 10 units Speed ratio = 11:10 Time ratio = 10:11 . ATQ- 11-10=1 unit 1 unit =13 min a ix 10 unit = 10 13=130 min . Total time taken by Tellyn in the starting was 130 min.
Source: RPF SI Previous Year Paper 06-Jan-2019 — answer key & detailed solutions (ixambee PDF) · reliable-secondary
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