Question
Why does a solid chunk of iron float in mercury but sink
in water?Solution
Iron sinks in water due to its higher density compared to water but floats in mercury because mercury's density is greater than that of iron. This property of relative density determines whether substances float or sink in different mediums.
Find the simple interest on Rs. 6500 at 9% per annum for 4 years.
Ravi invests Rs. 2,000 on simple interest at 'a%' p.a. for 4 years and earned an interest of Rs. 800. His friend Vinay invests Rs. 4,800 on simple inter...
Rs. (n + 500) invested on simple interest amounts to Rs. 4,500 and Rs. 5,100 in 5 years and 6 years, respectively. Find the value of 'n'.
Mr. P invested Rs. ‘4x’ in scheme ‘A’ offering simple interest of 25% p.a. and reinvested the interest earned from scheme ‘A’ at the end of ...
A person 'P' invests ₹24,000 at a simple interest rate of 15% per annum for 2 years, while Jay invests the same amount, ₹24,0...
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A man invested Rs. 15,000 at simple interest of 'x%' p.a. and received Rs. 30,000 after 2 years. If he had invested Rs. 30,000 at simple interest of 'x%...
Mr. X deposits ₹10,000 at a simple interest rate of 8% per annum for 4 years. After 2 years, he invests an additional ₹12,000 at the same rate for 3...
Neil buys a Camera priced at 32000. He pays 8000 at once and the rest after 15 months on which he is charges a simple Interest at the rate of 18% per an...
- Rs. 3,300 is put into a savings scheme at a simple interest rate of 36% per annum for 3 years. The maturity amount is then invested in a business venture t...
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