For an FM receiver with an input signal-to-noise ratio of 29

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For an FM receiver with an input signal-to-noise ratio of 29 dB. a noise figure of 4 dB and an FM improvement factor of 16 dB, the pre-detection and post-detection signal-to-noise ratios are

[ESE 2019 Paper 2 (Technical) ECE]

A 25 dB and 41 dB

B 30 dB and 41 dB

C 25 dB and 49 dB

D 30 dB and 41 dB