ANSWER ALL QUESTIONS QUESTION 1: The questions are related to simple interest topics: (a) Ali borrow some money at the rate of 5% per annum for the first three years, 8% per annum for the next three years, and at the rate of 12% per annum for the period beyond six years. If he pays a total interest of RM1,200 at the end of nine years, determine how much money did he borrow. (7 mPagas) (b) An amount of RM10,000 is invested in two types of sharels.ofhe first yields an interest of 6.5% per annum and the second 9% per annum. If the total interest at the end of one year is 8.5%, determine the amount invested in each share. (8 marks) (c) Hanim borrows RM5,000 at 4.5% per annum simple interest. She agrees to settle the loan by paying RMX, RM2X and RM3X in 3 months, 6 months and 9 months respectively. Determine the value of X using the present as focal date. marks) (10