Question

1. A sum of money amounts to 10940 in years at 6% per annum, compounded annually
Find the sum
17. What sum of money will amount to 21206 in 3 years at 10% per annum, compoundea
annually
18. At whatrate per cent per annum will 4000 amount to 4410 in 2 years when compounded
19. At what rate per cent per annum will 640 amount to 774.40 in 2 years wher
compounded annually?
90. In how many years will * 1800 amount to 2178 at 10% per annum when compounde
annually
91. In how many years will 6250 amount to 7290 at 8% per annum, compounded annually
22. The population of a town is 125000. Tuis increasing at the rate of 2% per annum. What w
be its population after 3 years?
28. Three years ago. the population of a town was 50000. If the annual increase dur
three successive years be at the rate of 5%, 4% and 3% respectively, what is its pres
population?
24. The population of a city was 120000 in the year 2013. During next year it increased by
but due to an epidemic it decreased by 5% in the following year. What was its populatio
the year 2015?
25. The count of bacteria in a certain experiment was increasing at the rate of 2% per h
Find the bacteria at the end of 2 hours if the count was initially 500000
26. The bacteria in a culture grows by 10% in the first hour, decreases by 10% in the se
hour and again increases by 10% in the third hour. Find the bacteria at the end of 3 ho
the count was initially 20000.​

Answer 1

Answer:

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Step-by-step explanation: