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Fully solved keys for the latest UPSC defence papers. Every question is answered with its working, graded on the QUATRAE 1–10 difficulty scale, and traced to the exact QUATRAE book and page that teaches it. Free for every signed-in aspirant.
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NDA (II) 2026 Key
All 270 questions solved — Mathematics and GAT. 255 of them trace to an exact page of QUATRAE NDA Material.
94.4%of the paper mapped to QUATRAE NDA Material
255 of 270 questions
Open the NDA (II) 2026 Key →255 of 270 questions
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CDS (II) 2026 Key
All 333 questions solved — Elementary Mathematics, English and GK. 289 of them trace to an exact page of QUATRAE CDS Material.
86.8%of the paper mapped to QUATRAE CDS Material
289 of 333 questions
Open the CDS (II) 2026 Key →289 of 333 questions
Keys are prepared independently by QUATRAE from the question papers and are for self-assessment; the official key published by UPSC is final. QUATRAE is an independent practice platform, not affiliated with UPSC, the Indian Armed Forces or any Services Selection Board.