Question
P purchased a book from registered store and gets 13%
discount while Q purchased the same book from a roadside stall and got 18% discount. If Q paid Rs. 1476 for the book, then find the amount saved by Q in comparison to P.Solution
Marked price of the book = 1476/0.82 = Rs. 1800 Amount paid by P = 0.87 × 1800 = Rs. 1566 Required difference = 1566 – 1476 = Rs. 90
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?
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