Question
A shopkeeper marked his article 25% above its cost price
and offered a discount of 30%. If cost price of the article is Rs. 560, then find profit or loss of the shopkeeper on selling the articleSolution
Marked price of the article = 1.25 × 560 = Rs. 700 Selling price of the article = 0.7 × 700 = Rs. 490 Loss = 560 – 490 = Rs. 70
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?
