Related Questions

On selling a chair at 7% loss and a table at 17% gain, a man gains Tk 296. If he sells the chair at 7% gain and the table at 12% gain, then he gains Tk. 400. The actual price of the table is ---
A Tk. 2400
B Tk. 2200
C Tk. 1800
D Tk. 1600
The total gain of a multistage amplifier is less than the product of the gains of individual stages due to ___________
A Power loss in the coupling device
B Loading effect of the next stage
C The use of many transistors
D The use of many capacitors
A watch gains 7 minutes and 6 seconds every 6 days. if the rate of gain is constant, how much does the watch gain in one day?
A 1 min 6 sec
B 1 min 11 sec
C 1 min 16 sec
D 1 min 21 sec
Scheme-1: C6H5N2Cl→CuCNC6H5CN→H2o/H+C6H5COOH→∆Product-I Scheme-2: C6H5NO2→Fe/HCLC6H5NH2→N2NO3+HCL, 273KC6H5N2Cl→H2O/H+Product-II Scheme-3: CH3COOH→NH3CH3CONH2→NaOBrProduct-III উল্লিখিত Scheme সমূহে Product-I, Product-II এবং Product-III হলো যথাক্রমেঃ
A C6H5COONH4, C6H5Cl and CH3OH
B C6H5CONH2, C6H5NH2 and CH3OH
C C6H5CONH2, C6H5NH2 and CH3NH2
D C6H5CONH2, C6H5OH and CH3OH
For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions.
A Product
B Ratio
C Sum
D Difference
The ratio of the cost of two articles is 7:3 . The first one was sold at a loss of 20% and the second one was sold at a gain of 40% What is the overall percentage of gain/loss?
A 2% loss
B 2 % gain
C 4% loss
D 4% gain
In closed loop control system, with positive value of feedback gain the overall gain of the system will
A Decrease
B Increase
C Be unaffected
D Exponentially increase
For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will
A Increase
B Decrease
C Remain unaffected
D Other factors control it
The buyer decision process consists of five stages. Which of the following is NOT one of these stages?
A Evaluation of Alternatives
B Information search
C Variety-seeking buying behavior
D Post purchase behavior
If the current gain of the amplifier is X, its voltage gain is Y, then its power gain will be
A $$\frac{{\text{X}}}{{\text{Y}}}$$
B X × Y
C X + Y
D X - Y

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