Question : Directions: What should come in place of (?) in the given series? 12, 15, 20, 27, 38, ?
Option 1: 52
Option 2: 47
Option 3: 51
Option 4: 49
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Correct Answer: 51
Solution : Given: 12, 15, 20, 27, 38, ?
Add the consecutive prime numbers (starting from 3) to the previous term to obtain the next term. 12 + 3 = 15; 15 + 5 = 20; 20 + 7 = 27; 27 + 11 = 38; 38 + 13 = 51
So, 51 is the missing term in the series. Hence, the third option is correct.
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Question : Directions: What should come in place of (?) in the given series? 28, 31, 36, 39, 44, ?
Option 1: 49
Option 2: 51
Option 3: 48
Option 4: 47
Question : Directions: What should come in place of (?) in the given series? 33, 35, 39, 41, 45, ?
Option 1: 47
Option 2: 49
Option 4: 48
Question : Directions: What should come in place of (?) in the given series? 3, 6, 11, 18, 27, ?
Option 1: 39
Option 2: 36
Option 3: 42
Option 4: 38
Question : Directions: What should come in place of ? in the given series? 38, 39, 41, 44, 48, ?
Option 1: 56
Option 2: 53
Option 4: 55
Question : Directions: What should come in place of X in the given series? 5, 10, 20, 37, 63, X
Option 1: 100
Option 2: 105
Option 3: 95
Option 4: 90
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