(1) A person deposited 10,000.00 riyals in a bank for two and a half years, and the bank was calculating simple interest at a rate of 11% annually. Calculate what is owed to her at the end of the term (2) If the difference between the two commercaland valid interestis 15 royals fora certain amount invest fra period 151 days, with an interest rate of 6% per annum,find the value of this amount (3) A trader invested an amount from 01/04/2013 to 04/20 of the same year at a rate of 9% annually and the difference between the two commercaland valid nterests was 8 riyak for the same period and the same rate Find the origin of the amount? A person invested 6,000 riyals for a year at a simple interest rate of 6% annually, then find the interest due during this period, as well as find the total. (4) (5) A person deposited an amount of 5,000 riyals in a bank. If you know that the deposit period is 270 days And the simple interest rate used is 5% annually, find the total amount invested for this client at the end of the mentioned period (6) What is the amount that after two years will total 7240 riyals if the simple interest rate? Annual row%3? (7) What is the simple interest rate if an amount of 10,000 riyals was invested in it for 1.5 years? A total of 11,200 riyals. Find the commercial interest and the correct interest for an amount of 2,500 nyals in the period from 04/05/2012 to 08/04/2012 knowing that the prevailing interest rate is 6%. (8) What is the amount of simple interest of 320 nyals when he invested for four months Ata simple interest rate of 12% per annum (10) if the intereston an amountamounted to 205 nyals when I was invested for a perod of one year and fourmonths Ata simple interest rate of 2.5% per annum, find the amount invested A company awes the following arounts: (11) - 3,000 riyals for one year and 6 months, - 2,000 riyals for nine months, - 1,000 riyals for five months