Effective cost price of 100 rolls of paper = (100 × 80) + 900 + (100 × 0.50) = 8000 + 900 + 50 = Rs. 8950 Selling price at 30% profit = 1.30 × 8950 = Rs. 11635 Therefore, selling price of each roll of paper = 11635/100 = Rs. 116.35
The material which can be deformed permanently by heat and pressure is called a:
Boyle’s Law is applicable to gases under which conditions?
What was invented by 'Zacharias Janssen'?
Two amplifiers are connected one after the other in series (cascaded). The first amplifier has a voltage gain of 12 and the second has a voltage gain o...
Which of the following statement is correct?
I. Magnetite is a natural magnet
II. A freely suspended magnet always aligns in N-S direction
The mass of a star is two times the mass of the Sun. How it will come to an end?
An example of longitudinal waves (in a gas medium) is:
The rate of change of which of the following determines angular velocity?
If the vector sum of torques acting on a system is zero, then the object is in: