Related Questions

The electricity bill of a certain establishment is partially fixed and partially varies as the number of units of electricity consumed. Wen in a certain month 540 units are sonsumed. the bill is TK 1800. In another month 620 units are consumed are the bill is Tk 2040. Inayet another month if 500 units are consumed what would be the bill (in Tk) for that month?
A 1950
B 1560
C 1840
D 1680
If machine A polishes x units in 12 minutes and machine B polishes 5x units in 40 minutes, in how many minutes will A and B. working together, polish 50x units?
A 240
B 300
C 350
D 120
দুইটি বিপরীতমুখী বলদ্বয়ের লব্ধি 12 units এবং বলদ্বয় হতে যথাক্রমে 3 units এবং 4 units দূরে ক্রিয়াশীল। বলদ্বয়ের মান কত?
A 48 and 36 units
B 48 and 48 units
C 40 and 36 units
D 40 and 40 units
A machine can produce 10 units in 5 hours. Another machine can produce 5 units in 10 hours. Working together, how many units can they produce in 30 hours?
A 50 units
B 60 units
C 70 units
D 80 units
In SI units, the units of force and energy are respectively
A Newton and watt
B Dyne and erg
C Newton and joule
D kg wt and joule
The cost function of a product is 400 + 2x, where x is the number of units produced . How many units should be produced to make an average cost of TK. 2.5 per unit ?
A 200
B 800
C 400
D 720
A toy company sold 160 units of toys for Tk. 450 each and 120 units of toys for Tk. 300 each. If the company's production cost of each unit of toy was Tk. 380, what was the company's profit of loss?
A Tk. 1,600 loss
B Tk. 1,600 profit
C No profit or loss
D Tk. 600 loss
XYZ company sold 800 units of watches for TK.800 each and 1,000 units of watches for TK. 500 each. If the company's cost of producing each unit of watch was TK. 600, what was the company's profit or loss ?
A TK. 1,600 loss
B TK. 600 loss
C No profit or loss
D TK. 600 profit
The unit of force in C.G.S. system of units, is called
A Dyne
B Newton
C Kg
D All the above
The unit of force in S.I. system of units is
A Dyne
B Kilogram
C Newton
D Watt

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