Question
Which of the following statements is true when we see
'rainbow'?Solution
We see rainbows because of the geometry of raindrops. When the sun shines from behind us into the rain, incident rays of light enter the drop and are refracted inwards. They are reflected from the back surface of the raindrop, and refracted again as they exit the raindropandreturntooureyes.Arainbowisan optical and meteorological phenomenon that is causedbyreflectionoflightinwaterdropletsin the Earth's atmosphere, resulting in a spectrum of light appearing in the sky.
When an item is sold for Rs. 800, the profit is 10% more than when it's sold for Rs. 780. To achieve a 60% profit, determine the selling price.
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Selling price of article ‘A’ when sold at a profit of 25% is Rs. 250 more than its selling price when sold at a loss of 55%. If the cost price of ar...
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Ratio of MP and SP of an article is 8:5 and the article is sold at 25% profit. Find cost price of article, if the selling price is 200 more than its CP?
A shopkeeper purchases 50 pens and recovers the cost price after selling 35 of them. He sells the remaining 15 pens at a profit of 20% and earns Rs. 180...
'S' purchased two bags of rice for a total of Rs. 2,000. He sold one of the bags at a profit of 32%, and the other at a loss of 12%. If the overall prof...
The initial item has a markup and discount percentage both set at 15%, with a selling price of Rs. 1955. If a discount of 10% is applied to the same ite...
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