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Given, k4 + (1/k4) = 47 we know, (k2 + (1/k2))2 = (k2)2 + (1/k2)2 + 2(k2)(1/k2) = k4 + (1/k4 ) + 2 = 47 + 2 = 49 = k2 + (1/k2) = 7 (k + 1/k)2 = k2 + (1/k2 ) + 2(k)(1/k) = (7 + 2) = 9 (k + (1/k)) = 3 we know that, k3 + (1/k3) = (k + (1/k)) × (k2 + (1/k2 ) - k × (1/k)) = 3(7 - 1) = 18
A man invested certain sum at simple interest of r% p.a. such that it amounts to 160% of itself in 6 years. Find the interest earned when Rs. 2400 is in...
Simran Funded Rs. 70,000 in two different SIP's. She funded the smaller amount at CI of 20% p.a. compounded annually, and larger amount at SI of 16.5% f...
Rs 2000 are invested at 5% p.a simple interest. If the interest is added to the principal after every 10 years, the amount will become Rs 4000 after
What sum of money will become Rs.1352 in 2 years at 4 percent per annum compound interest?
A person named 'P' invested Rs. 48,000 in an SIP called 'X', which provides compound interest at a rate of 50% per annum, compoun...
A certain sum of money yields Rs. 9,930 as compound interest for 3 years at 10% per annum. The sum is (in rupees).
A woman invests Rs. 2000 at the start of each year at 5% compound interest per annum. How much will her investments be at the end of the 2nd year?
The difference between the interest received on a certain sum at the rate of 32% p.a. and 28% p.a. respectively at simple interest for two years is Rs. ...
A certain sum of money invested at R% p.a. fetches a compound interest (compounded annually) of 1800 and simple interest of Rs.1600 at the end of 2 year...
The simple interest received on a certain sum is Rs. 500 less than the sum invested. If the sum was invested at 12% p.a. for 8 years, then find the simp...
