Three amplifier circuit are connected in series. The voltage gain of each is 5. What is the final voltage amplification?

The voltage gain of the following amplifier is

The voltage gain of the following amplifier is

Three amplifiers each having voltage gain 10, are connected in series. The resultant gain would be

Three amplifiers each having voltage gain 10, are connected in series. The resultant gain would be

An amplifier has a voltage gain of 100. The voltage gain in dB is

An amplifier has a voltage gain of 100. The voltage gain in dB is

The amplifiers X, Y and Z are connected in series. If the voltage gains of X, Y and Z are 10, 20 and 30, respectively and the input signal is 1 mV peak value, then what is the output signal voltage (peak value) (i) if dc supply voltage is 10V? (ii) if dc supply voltage is 5V?

The amplifiers X, Y and Z are connected in series. If the voltage gains of X, Y and Z are 10, 20 and 30, respectively and the input signal is 1 mV peak value, then what is the output signal voltage (peak value) if d.c. supply voltage is 5V?