... divisible by 9. Solution: The A.P. is 9, 18 , 27 … 99 .6. Find the 9 th term of the G.P.: 20, 10 , 5, …Solution: arnaaraann 1 1 1 9 8 9 20 1 2 9 20 1 2564=====−,, = ... (C) Part III80www.petersons.com/arco ARCO ■ SAT II Math 2. Which term of the series 1, 6, 11 … is 96 ?Solution:3. Find the sum of the first 10 terms of the series 3 + 5 + 7 … + 21 Solution: a 1 ... 222244 14 4 1 41 8522+()−−()−()+()=+ −− ++−−()= ii ii ii i8. What is the value of i88 – i22?Solution: Math Practice Exercises and Solutions by Topic 93 ARCO ■ SAT II Math www.petersons.com/arco4....