Question
A retailer added a 25% markup to the cost price of an
item and then offered a 10% discount on the marked price before selling it for Rs. 270. Calculate the profit the retailer made on the sale.Solution
Marked price of article = 270/0.9 = Rs. 300 Cost price of article = 300/1.25 = Rs. 240 Profit earned = 270 - 240 = Rs. 30 Hence, option b.
Which statement about the properties of light and sound is incorrect?Â
What is the SI unit of G — the universal gravitation constant?
What type of image is always formed by a convex mirror?
With reference to the types of electromagnetic waves, consider the following statements:
(I) Radio waves have the highest wavelength range among ...
What conditions must be met for stationary waves to form?
Velocity of the sound is minimum in-
The device used for locating submerged objects under sea is –
Smog is a combination of –
Why does a solid chunk of iron float in mercury but sink in water?
What is the device used to amplify and modulate microwave frequency signals called?