 
			 
			MCQOPTIONS
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				| 1. | A signal represented by x(t) =5cos 400πt is sampled at a rate 300 samples/sec. The resulting samples are passed through an ideal low pass filter of cut-off frequency 150 Hz. Which of the following will be contained in the output of the LPF?$ | 
| A. | 100 Hz | 
| B. | 100 Hz, 150 Hz | 
| C. | 50 Hz, 100 Hz | 
| D. | 50 Hz, 100 Hz, 150 Hz | 
| Answer» B. 100 Hz, 150 Hz | |