Question
A shirt is marked 50% above the cost price and sold
after a discount of Rs.115 at Rs.545. Find the cost price of the shirt.Solution
Let the cost price of the shirt be Rs.x. Marked price = Rs.1.5x According to question, => 1.5x – 115 = 545 => 1.5x = 660 => x = Rs.440
According to Newton’s second law of motion, the acceleration of an object is directly proportional to the
A day is considered a rainy day when it receives a rainfall of:
A liquid of density ρ is rotating in a cylindrical vessel with constant angular velocity ω. The free surface of the liquid takes the shape of:
After rising a short distance the smooth column of smoke from a cigarette breaks up into an irregular and random pattern. In a similar fashion, a stream...
Tungsten is used for the construction of filament in an electric bulb because of its
Stereo was invented by .
What is the principle behind the operation of a washing machine?
Which device is used to measure atmospheric pressure?
The unit of electric current is:
A nucleus X of mass number 238 undergoes 3 α-decays and 2 β⁻-decays successively. The mass number and atomic number of the resulting nucleus Y are:...
Relevant for Exams:
