# Series

 Find the missing term in the given series - 101, 120, 145, 168, (?), 224 A) 194 B) 195 C) 196 D) 197 Correct Answer : 197 Explanation : The series is 102 + 1 = 101, 112 - 1 = 120, 122 + 1 = 145, 132 - 1 = 168, 142 + 1 = 197, 152 - 1 = 224 The series given below contains a sequence of numbers. Identify the incorrect combination 120, 99, 80, 63, 47, 35 A) 47 B) 63 C) 80 D) 35 Correct Answer : 47 Explanation : The pattern is - 21, - 19, - 17, - 15, -13... 120, 120-21=99, 99-19-80, 80-17=63, 63-15=48, 48-13=35 So, incorrect term is 47 The series given below contains a sequence of numbers. Identify the incorrect combination 2, 7, 22, 67, 204 A) 2 B) 7 C) 22 D) 204 Correct Answer : 204 Explanation :The pattern is - 2 (2 × 3) + 1 = 7 (7 × 3) + 1 = 22 (22 × 3) + 1 = 67 (67 × 3) + 1 = 202 (202 × 3) + 1 = 607 So, incorrect term is 204 Find the odd one out: 24, 33, 60, 71, 51, 15 A) 15 B) 71 C) 33 D) 60 Correct Answer : 71 Explanation :71 is a prime number and all other numbers are prime numbers. So 71 is the answer. Complete the series choosing the missing number: 1, 4, 9, 16, ______ A) 23 B) 25 C) 32 D) 44 Correct Answer : 25 Explanation :Here the pattern is (1×1)=1 (2×2)=4 (3×3)=9 (4×4)=16 (5×5)=25 (6×6)=36 so next missing term is 25 Complete the series choosing the missing number: 324, 108, 36, 12, ______ A) 16 B) 8 C) 4 D) 2 Correct Answer : 4 Explanation :the pattern is (324 /3 )=108 (108 /3 )=36 (36 /3 )=12 (12 /3 )=4 so next missing term is 4 Complete the series choosing the missing number: 2, 8, 3, 27, 4, ______ A) 82 B) 64 C) 32 D) 48 Correct Answer : 64 Explanation :the pattern is 2, 23, 3, 33, 4, 43 => 2, 8, 3, 27, 4, 64 So missing term is, 43 = 64 Find the missing term: 60, 40, 55, 45, 50, 50,....? A) 45 B) 50 C) 55 D) 60 Correct Answer : 45 Explanation :The pattern is 60, 60-5=> 55, 55-5=> 50, 50-5=> 45 (1) (3) (5) (7) 40, 40+5=> 45, 45+5=> 50 (2) (4) (6) So missing term is = 45