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ক্যাথোডে 1 মোল Cr জমা করার জন্য প্রয়োজনীয় বিদ্যুৎ এর পরিমাণ (The amount of electricity required to deposit 1 mole Cr at the cathode is)
A 4 F
B 1 F
C 2 F
D 3 F
Norton's theorem provides a method for the reduction of any ac circuit to an equivalent form consisting of an equivalent voltage source in series with an equivalent impedance.
A True
B False
Thevenin's theorem provides a method for the reduction of any ac circuit to an equivalent form consisting of an equivalent current source in parallel with an equivalent impedance.
A True
B False
The interest on a certain deposit at 9% per annum is TK. 405 in one year . How much will the additional interest in one year be on the same deposit at 10 percent per annum ?
A TK. 450
B TK. 300
C TK. 31.50
D None of these
The interest on a certain deposit at 4.5%p is taka 202.50 in one year. How much will the additional interest in one year be on the same deposit at 5% p.a?
A ২২.৫০টাকা
B ২০.২৫টাকা
C ৪২.৭৫টাকা
D ২৫টাকা
The interest on a certain deposit at 4.5% p.a. is TK. 202.50 in one year. How much will the additional interest in one year be on the same deposit at 5% p.a. ?
A TK. 22.50
B TK. 25
C TK. 20.25
D TK. 42.75
The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then
A $${\frac{3}{4}^{{\text{th}}}}$$ of it will disintegrate in two months
B It will completely disintegrate in two months
C It will completely disintegrate in four months
D $${\frac{l}{8}^{{\text{th}}}}$$ of it will remain intact at the end of four months
If a deposit of Tk.750 earns simple interest @ 8% per annum and that of Tk. 1250 earns the same @6% per annum, what is the average rate of interest (in %) earned on the total deposit?
A 5.33
B 5.67
C 6.75
D 128
Albert invested an amount of Tk 8,000 in a fixed deposit scheme for 2 years at compound interest rate 5% per annum. How much amount will albert get on maturity of the fixed deposit?
A Tk 8,600
B Tk 8,620
C Tk 8,820
D Tk 9,000
If a person deposit money into two banks at 6 Tk interest respectively, the difference in profit after three and half years and five years 144. How much money did the person deposit?
A 1600
B 1500
C 1200
D 2000

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