Correct answer: (d) I, II and III
Explanation
- A
I and II only
I and II only. That drops the deep-learning line, which the official key keeps.
- B
II and III only
II and III only. That drops the quantum-computing claim.
- C
I and III only
I and III only. That drops the introduction claim.
- D
I, II and III
I, II and III. The paper keys all three statements as correct.
Summary. Official Set A key is (d) all three. Statement I: Majorana-type chips are presented as a route to more stable quantum computing. Statement II is keyed with it on this paper as the introduction line. Statement III is textbook: deep learning is a subset of machine learning. UPSC scores the full set. (a)(b)(c) each drop one official limb. (The public record of the chip’s maker is a neighbour fact; it is not used here to knock Statement II.)
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