Question
Who invented the
stethoscope?Solution
The stethoscope was invented by René Laennec in France in 1816. It is a critical tool in medicine for auscultating or listening to the internal sounds of the body, particularly the heart and lungs.
A bank pays simple interest at 4% per annum on the first Rs.5500 and an interest of 6% for amounts above that. Find the interest earned by Sameera if sh...
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A sum of Rs.80 is lent to be returned in 90 months installments of Rs.10 each, interest simple. The rate of interest is: -
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'X' deposited Rs.24000 at 20% per annum compound interest in SIP 'P' while Rs.18600 at 24% per annum simple interest in SIP 'Q'. What would be his total...
If Vipul invests Rs.’a’ in scheme ‘M’ with a compound interest rate of 20% p.a. for two years, and the total amount received from scheme ‘M’...
Simple interest received at the rate of 9% p.a. for 5 years on a principal amount of Rs. 4000 is twice of the simple interest received at 10% p.a. for 6...
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