Question
Intensity of Sound is measured in
________Solution
Decibels represent the ratio of sound pressure to a reference level, and are a logarithmic unit. This means that a 10 dB increase represents a tenfold increase in intensity.
The simple interest on Rs. ‘p’ at 15% p.a. for 2 years is 450 more than the simple interest on Rs. (p + 1000) at 10% p.a. for 2.5 years. Find the co...
Sneha deposited Rs. ‘R’ in a bank offering compound interest of 13% p.a. compounded annually. After 3 years, she invested the amount received from t...
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A certain amount, when invested at a simple interest rate of 18.2% per annum, grows to Rs. 14,552 in 4.5 years. What is the initi...
Rohit invested a sum on compound interest at 'R%' per annum (compounded annually), which amounts to ₹8,000 and ₹11,520 in 2 years and 4 years respec...
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The difference between the compound interest, compounded annually and simple interest on Rs. ‘P’ at the rate of 25% p.a. for 2 years, is Rs. 100. If...
What will be the differnce between SI & CI on Rs. 70000 for 3 years at rate of 40% per annum ?
A sum of Rs 12,000 becomes Rs 15,600 in 3 years at simple interest. Find the rate of interest per annum.
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