Question
A trader bought an article for Rs. 1200 and marked it
25% above of its cost price. If he sold it after giving a discount of Rs. 60 then find the profit percent earned by him.Solution
Marked price of the article = 1200 × 1.25 = Rs. 1500 Selling price = 1500 – 60 = Rs. 1440 Profit percentage = [(1440 – 1200)/1200] × 100 = 20%
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?
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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?
