3. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. AbCdE, DeFgH, GhIjK, JkLmN, ?
6. A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. XX, XOX, XXXX, XXOXX, XXXXXX, ?
8. A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series. 0.05, -0.1, ? , -0.4, 0.8