4, 9, 19, 39, 79, 160, 319?

More Questions from Odd Man Out and Series

• 9, 12, 11, 14, 13, (...), 15?
• Complete the series 2, 5, 9, 19, 37 ....?
• 71, 76, 69, 74, 67, 72, (...)?
• 1, 2, 4, 8, 16, 32, 64, (...), 256?
• 10, 5, 13, 10, 16, 20, 19, (...)?
• 165, 195, 255, 285, 345, (...)?
• 2880, 480, 92, 24, 8, 4, 2?
• 3, 7, 15, 27, 63, 127, 255?
• 7, 8, 18, 57, 228, 1165, 6996?
• Find out the wrong number in the series 125, 106, 88, 76, 65, 58, 53?

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