Official PYQ · 2003Set 1 · Q67Continuous-time SignalsMCQ1 mark

GATE EC 2003 Set 1 Q67 — Continuous-time Signals

Let $x(t)=2 \cos (800 \pi t)+\cos (1400 \pi t) . x(t)$ is sampled with the rectangular pulse train shown in the figure. The only spectral components

(in $\mathrm{kHz}$ ) present in the sampled signal in the frequency range $2.5 \; \mathrm{kHz}$ to $3.5 \; \mathrm{kHz}$ are

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Published 10 Oct 2026

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