Skip to content
Philoid
Browse Saved
Back to chapter
Maths
14. Compound Interest
Home · Class 8 · Maths · Ref. Book · 14. Compound Interest
Prev
Next
Q15 of 89 Page 14

The population of a city increases each year by 4% of what it had been at the beginning of each year. If the population in 1999 had been 6760000, find the population of the city in (1) 2001 (ii) 1997.

Given,


Annually increase rate of population of city = 4%


Population in 1999 = 6760000


So ,


i) Population of city in 2001 (2 years after)


=


=


ii) Population of city in 1997 (2 years ago)


=


== 6250000


More from this chapter

All 89 →
13

The population of a town increases at the rate of 40 per thousand annually. If the present population be 175760, what was the population three years ago.

14

The population of a mixi company in 1996 was 8000 mixies. Due to increase in demand it increases its production by 15% in the next two years and after two years its demand decreases by 5%. What eill its production after 3 years?

16

Jitendra set up a factory by investing Rs. 2500000. During the first two successive years his profits were 5% and 10% respectively. If each year the profit was on previous year’s capital, compute his total profit.

1

Ms. Cherian purchases a boat for Rs. 16000. If the total cost of the boat is depreciating at the rate of 5% per annum, calculate its value after 2 years.

Questions · 89
14. Compound Interest
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 7 8
Back to chapter
ADVERTISEMENT
About Contact Privacy Terms
Philoid · 2026
  • Home
  • Search
  • Browse
  • Quiz
  • Saved