Related Questions

A retail appliance store priced a video recorder at 20 precent above the wholesale cost of Tk. 200. If a store employee applied the 10 percent employee discount to the retail price to buy the recorder, how much did the employee pay for the recorder?
A Tk. 198
B Tk. 216
C Tk. 220
D Tk. 230
2x+3y3x+2y=56 হলে কোনটি xঃy ?
A 8:3
B 6:5
C 3:2
D 2:3
নতুন voice recorder app. এ ধারণ করা কষ্ঠ লেখা আকারে মিলবে যে রাডার চিপের দ্বারা তার নাম-
A ‘সলি’
B 'মলি’
C ‘জলি’
D ‘পলি’
___________ amplifier is used to drive the recorder.
A Power amplifier
B Pre amplifier
C Operational amplifier
D Differential amplifier
Which of the following recorder gives slow response
A X-Y recorder
B Oscillographic
C Galvanometric
D Magnetic
The most common format for a home video recorder is VHS. VHS stands for...?
A Video Home System
B Very high speed
C Video horizontal standard
D Voltage house standard
A recorder is said to have good frequency response when the sensitivity of the system is _________ for all frequencies present in the signal.
A Unity
B Zero
C Infinity
D Constant
In phase response of a recorder noise level ___________ with the band width of a system
A Increases
B Decreases
C Reaches unity
D Reaches infinity
The respective ratio between the speed of a speed of the car, bus and train is 5 : 9 : 6. The average speed of the car, bus and train is 72 km/hr together. What is the average speed (km/h)of the car and the train together?
A 82
B 72
C 67
D 84
A train went 300 miles from city X to city Y at an average speed of 80 miles per hours ( mph ). At what speed did the train travel on the way back if its average speed for the whole ( both ways ) trip was 100 mph?
A 120 mph
B 125 mph
C 133.33 mph
D 137 mph

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