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Let the rate of stream be x km/hr Then, Speed of downstream = [(25/2) + x] km/hr Speed of upstream = [(25/2) - x]km/hr [(25/2) + x] = 3 [(25/2) - x] (25/2) + x = (75/2) - x 4x = 25 x = 6.25 km/hr
What sum of money at 120% compound interest per annum amounts to Rs.376.32 in 2 years?
A certain sum of money becomes Rs. 1922 in 1 year and 2900 in 3 years at certain rate of simple interest. Find the sum of money invested.
What is the simple interest on ₹5000 at a rate of 8% per annum for 3 years?
Rohan had Rs. 5000 with him. He invested 40% of the sum at 10% p.a. and the rest at 15% p.a., both at simple interest for 3 years each. Find the total i...
A sum of money lent out at simple interest amounts to Rs.620 after 2 years and to Rs.1220 after a further period of 4 years. The sum is:
At what annual compound interest rate will a principal amount of Rs. 16,000 grow to Rs. 25,000 in 2 years?
Sohan invested Rs. P in Scheme X at 20% per annum under simple interest for 3 years and Rs. Q in Scheme Y at 12% per annum under compound interest for 2...
Investor V placed Rs. (a + 3000) in a compound interest account with an annual interest rate of r%, compounded annually for a span of 2 years. Simultane...
"Zampa invested Rs.__________ in an SBI Contra fund with a 20% annual compound interest, compounded annually. At the end of each year, the bank deducts ...
