A man borrows ₹ 10000 at 10% compound interest compounded yearly. At the end of each year, he pays back 30% of the sum borrowed. How much money is left unpaid just after the second year ?

A man borrows ₹ 10000 at 10% compound interest compounded yearly. At the end of each year, he pays back 20% of the amount for that year. How much money is left unpaid just after the second year ?

During 2023, the population of a small village was 45,000 which increased every year by 5%. The population during the year 2024 was:

1. 45,000 + 5% of 45,000

2. 45,000 - 5% of 45,000

3. 45,000 x 5% of 45,000

4. 45,000 ÷ 5% of 45,000

In how many years, will a sum of money double itself at 10% C.I.:

1. 5 years

2. 10 years

3. 8 years

4. none of these