Question : Directions: What should come in place of the question mark (?) in the given series? 57, 43, 31, 21, 13, (?)
Option 1: 5
Option 2: 6
Option 3: 9
Option 4: 7
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Correct Answer: 7
Solution : Given: 57, 43, 31, 21, 13, (?)
Subtract consecutive even numbers starting from 14 in decreasing order to get the missing term – 57 – 14 = 43; 43 – 12 = 31; 31 – 10 = 21; 21 – 8 = 13; 13 – 6 = 7
So, 7 is the missing term in the series. Hence, the fourth option is correct.
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Question : Directions: What should come in place of the question mark (?) in the given series? 9, 14, ?, 24, 29, 34
Option 1: 18
Option 2: 19
Option 3: 21
Option 4: 20
Question : Directions: What should come in place of x in the given series? 9, 13, 21, 33, 49, x
Option 1: 67
Option 2: 71
Option 3: 65
Option 4: 69
Question : Directions: What should come in place of the question mark (?) in the given series? 5, 8, 11, 14, 17, ?
Option 1: 19
Option 2: 20
Option 4: 22
Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 1, 1, 2, 3, 5, ?, 13, 21
Option 1: 6
Option 2: 9
Option 3: 7
Option 4: 8
Question : Directions: What should come in place of the question mark (?) in the given series? 117, 102, (?), 57, 27
Option 1: 82
Option 2: 88
Option 3: 73
Option 4: 97
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