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
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Correct Answer: 4
Solution : Given: ?, 9, 19, 39, 79
The pattern followed here is – 79 – 39 = 40→40 ÷ 2 = 20 39 – 19 = 20→20 ÷ 2 = 10 19 – 9 = 10→10 ÷ 2 = 5 Now, subtract 5 from 9 to get the missing number – 9 – 5 = 4
Hence, the first option is correct.
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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
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
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Option 1: 6
Option 2: 9
Option 3: 7
Option 4: 8
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Option 3: 10
Option 4: 11
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Option 1: 12
Option 2: 13
Option 3: 15
Option 4: 18
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