Pls help me solve these questions in Financial Management ?

1)Given that banker allowed 10.5% for 180 days to 365 days and 11% beyond 365 days , how much a person get for a deposit of Rs. 1000 in 3 years time ?


Choose one answer.


a. Rs. 16,380


b. Rs. 18,360


c. Rs. 13,680 Correct


d. Rs. 18,630


2)A person deposited Rs 1000 in a bank relate which offers 10% CI p.a semi-annually, the interest earned is Rs.


Choose one answer.


a. 1025 Correct


b. 1205


c. 1520


d. 1060


3)


A loan of the 5,00,000 is to be repaid in 5 equal annual installments. If the loan carries a rate of 12% p.a. What is the amount of each installment


Choose one answer.


a. 29129


b. 55478 Correct


c. 41608


d. 57045


I don't know how the above answers are coming .I think they r wrong bcoz imy calculation is giving diff results.Pls guide me


Thanks in advance.|||wrong Question