(1) Sabri invested RM10 000 in Bank Coco which offers a simple interest of 10% per annum. Find the simple amount after 150 days.

(2) Najib took a loan on 2nd June 2020 at a simple interest of 10%. He settled the loan on 31st October 2020 by paying RM10 200.80, find the loan amount.

(3) Find the effective interest rate that is equivalent to 16% compounded quarterly. (2 decimal places)

(4) Rosmah has a debt to pay at the end of 2nd year, RM6000, and another RM7000 at the end of the 6th year. She plans to settle by making a single payment at the end of 5th year. Find the size of the single payment using the 5th year as the FOCAL DATE and the money is worth 6% compounded quarterly.

(5) Khadijah took a loan for RM750 on 30th April 2022 which would amount to RM780 on 20th August 2022.Find the simple interest that is charged. (Answer 2 decimal places)