Question
If a vendor sells a coconut at Rs 14.4 he makes 10%
loss. If he wants to make 25% profit, then at what price (in Rs) should he sell?Solution
Given SP=14.4 loss %=10 % Therefore 0.9CP=14.4 CP=14.4/0.9 CP=16 Required profit=25% SP=1.25CP =(5/4)*16 =20 Â
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?
