1) The marks obtained by 8 students in a class test are 10, 19, 12, 21, 18, 20, 11, and19. What is the arithmetic mean? a) 14.25 b) 15.50 c) 16.25 d) 17.50 2) The heights of five students are 164 cm, 134 cm, 155 cm, 156 cm, and,172 cm respectively. Find the mean height. a) 155 b) 156.2 c) 154.2 d) 153 3) What is the next number in the sequence ? 0,4,8,12,16,___,... a) 18 b) 20 c) 22 d) 28 4) What is the next number ? 3,6,12,24,48,___ a) 56 b) 58 c) 64 d) 96 5) 5, 8, 11, 14,____ a) 12 b) 15 c) 17 d) 18 6) 80, 75,____, 65, 60,.. a) 60 b) 72 c) 70 d) 69 7) 1, 4, 7, 10,____, 16, 19, 22,.. a) 12 b) 11 c) 13 d) 15 8) 3, 8, 13, 18, 23, 28, ____,... a) 31 b) 32 c) 33 d) 46 9) 1, 4, 7, ____, 13, ... a) 6 b) 8 c) 10 d) 12 10) 3, ___, 15, 21, 27, … a) 6 b) 9 c) 12 d) 14

Arithmetic Sequence

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