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. 4, 9, 19, 39, ?
Option 1: 49
Option 2: 59
Option 3: 79
Option 4: 89
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Correct Answer: 79
Solution : Given: 4, 9, 19, 39, ?
Multiply each number by 2 and add 1 to the resultant to find the next term. (4 × 2) + 1 = 8 + 1 = 9; (9 × 2) + 1 = 18 + 1 = 19; (19 × 2) + 1 = 38 + 1 = 39; (39 × 2) + 1 = 78 + 1 = 79
So, the missing number is 79. Hence, the third option is correct.
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Question : Directions: In the following question a series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series. ?, 9, 19, 39, 79
Option 1: 4
Option 2: 7
Option 3: 6
Option 4: 9
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. 4, ?, 19, 39, 79, 159
Option 1: 10
Option 2: 8
Option 3: 12
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, 8, 17, 30, ?, 76
Option 1: 39
Option 2: 49
Option 3: 59
Option 4: 69
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. 16, 30, ?, 79, 114
Option 1: 45
Option 3: 63
Option 4: 51
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. 3, 5, 9, 15, 23, 33, 45, 59, ?
Option 1: 81
Option 2: 60
Option 3: 75
Option 4: 72
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