Question
Given below are two statements, one is labelled as
Assertion A and the other is labelled as Reason R Assertion A: Rayleigh scattering cause the sky to appear blue. Reason R: As most of the Rayleigh scatterers have sizeSolution
Both A and R are true and R is the correct explanation of A Rayleigh scattering is a phenomenon that occurs when the size of scatterers (particles or molecules) in the atmosphere is much smaller than the wavelength of the incident light.
The selling price of an article is 75% of its marked price, and the shopkeeper earns a profit of 25%. The difference between the marked price and the co...
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A seller marked an item above its cost price and allows a discount of 25% on it. On the discounted price, the seller charges a packaging price which is ...
A man purchases some number of apples at the rate of 36 apple for Rs. 1. How many for a rupee did he sell to gain 12.5%.
A shopkeeper purchased an item for Rs. 1,500. He increased the price by 20% over its cost price and then sold the item after offe...
Anoop sold two items, A and B, at discounts of 16% and 20%, respectively. The profits he earned from selling items A and B were 2...
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