Question
The ratio of cost price and selling price of a shirt is
7:8 respectively. The shirt was marked up by 25% above its cost price, and sold after giving Rs.60 discount. Find the cost price of the shirt.Solution
Let the Cost price and Selling price of the shirt be Rs. 7x and 8x respectively. According to the question, => 1.25 × 7x – 60 = 8x => x = 60/0.75 = 80 Therefore the cost price of the shirt = 7x = Rs.560
Which law states that the current through a conductor is directly proportional to the voltage across it? Â
The distance- time graph for a body moving at uniform speed is?
________ are the elements of group 18.
If a force is applied to two stationary objects with different masses for the same duration, what will be the same for both objects?
The point where the total mass of a body is considered to be concentrated is known as what?
What is the SI unit of pressure? Â
Which of the following particles in motion, having the same kinetic energy, has the shortest wavelength?
A convex mirror and a concave mirror face each other at a distance of 30 cm. A point object is placed midway. The final image formed by double reflectio...
A soap bubble expands isothermally and its radius doubles. The work done by surface tension during this expansion is:Â
A sound wave has a frequency of 500 Hz and wavelength of 0.68 m. What is the speed of sound?