Question
Two sisters, Anika and Riya, have a combined present age of 34 years. Five years ago from now, Anika was twice as old as Riya was then. What is Anika's current age in years?
This question was previously asked in
RRB NTPC 2025 Under Graduate CBT 1 Question Paper PDF (20-Jun-2026) (Shift 3)
The correct answer is
21
Let Anika's and Riya's present ages be A and R, with \(A+R=34\).
Five years ago: \(A-5 = 2(R-5)\).
\(A = 2R-5\). Substituting: \(2R-5+R=34 \Rightarrow 3R=39 \Rightarrow R=13,\ A=21\).
Hence, Anika's current age is 21 years.
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