Mr. Dubey borrows ₹100000 from State Bank of India at 11% per annum compound interest. He repays ₹41000 at the end of first year and ₹47700 at the end of second year. Find the amount outstanding at the beginning of the third year.

Jaya borrowed ₹50000 for 2 years. The rates of interest for two successive years are 12% and 15% respectively. She repays ₹33000 at the end of first year. Find the amount she must pay at the end of second year to clear her debt.

Find the amount and the compound interest on ₹8000 for 4 years at 10% per annum, interest reckoned yearly.

If the interest is compounded half-yearly, calculate the amount when the principal is ₹7400, the rate of interest is 5% and the duration is one year.