Activity No.1 Directions. Study the pattern and determine the missing term. Choose the letter of the correct answer. 1. 90, 75, 60, 45, b a. 40 b. 30 c. 20 d. 10 2. 2, 8, 14, 20, , 32 a. 28, b. 26 c. 24 d. 22 3.57, 49, 41, 33, a, 25 b. 27, c. 29 d. 31 4. 53, 57, 61, ,69 a. 63 b. 65, c.67 d. 69 5. 12, 13, 15, 18, 27 a. 22 b. 23 c. 24 d. 25 6. 1, 4, 16, 64, 256, a. 1,024 b. 2,048 c. 4,096 d. 8, 192 7.6, 12, 18, , 30 a. 20 b. 22 c. 24 d. 26 8.9, 11, 15, 21, 29, a. 39 b. 37 c. 35 d. 33 9. 79, 78, 76, 73, a. 61 b. 63 c. 65 d. 69 10.1, 4, 9, 16, 25, b. 30 a. 36 c. 27 d. 2