EASY
8th Tamil Nadu Board
IMPORTANT
Earn 100

Find the C.I for the data given below:

Principal =30000, r=7% for I year, r=8% for II year, compounded annually.

Important Questions on Life Mathematics

EASY
8th Tamil Nadu Board
IMPORTANT

Find the C.I for the data given below:

Principal =10000, r=8% p.a, n=234 years, interest compounded yearly.
EASY
8th Tamil Nadu Board
IMPORTANT

The value of a motorcycle 2 years ago was 70000. It depreciates at the rate of 4% p.a. Find its present value.

MEDIUM
8th Tamil Nadu Board
IMPORTANT
The bacteria in a culture grows by 5% in the first hour, decreases by $8 \%$ in the second hour and again increases by 10% in the third hour. Find the count of the bacteria at the end of 3 hours, if its initial count was 10000.
MEDIUM
8th Tamil Nadu Board
IMPORTANT
The population of a town is increasing at the rate of 6% p.a. It was 238765 in the year 2018. Find the population in the year 2016 and 2020.
EASY
8th Tamil Nadu Board
IMPORTANT

Find the difference in C.I and S.I for

P=5000, r=4% p.a, n=2 years.

EASY
8th Tamil Nadu Board
IMPORTANT

Find the difference in C.I and S.I for

P=8000, r=5% p.a, n=3 years.
HARD
8th Tamil Nadu Board
IMPORTANT
If a company pays 6 lakh for 15 workers for 20 days, how much would it need to pay for 5 workers for 12 days?
MEDIUM
8th Tamil Nadu Board
IMPORTANT
A mat of length 180 m is made by 15 women in 12 days. How long will it take for 32 women to make a mat of length 512 m ?